BILLET VALVE COVERS NOT INCLUDED IN LONG BLOCK PRICE. Power Output (HP): Chevrolet Performance Crate Engine430 HP / 425 lb. Long Blocks include assembled short block, assembled cylinder head and all valvetrain components. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. The stick specified by Brian Tooley offered us a mild-mannered LSA and realistic lift numbers that would ensure a rock solid and long-lasting valvetrain. Those resulting specs are 231/248 120+5 and the valve events are 69 EVO, -1 EVC, .5 IVO and 50.5 IVC. Web427 LS Short Block Price; Dart SHP LS-Next iron block Ohio Crankshaft 4340 4.00 stroke LS crankshaft Ohio Crank H6125 rods w/ARP 2000 bolts Diamond 2K, 2,000-horsepowe pistons Total Seal rings King bearings Internally balanced and assembled Add OC billet crank - $675.00 Add Oliver billet rods - $900.00 Add SHP Pro Block - $600.00: assembled It also includes a dry-sump oil pan, which requires the builder to add an external oil tank.
Long Block ! With quality parts such as Callies Forged Crank and Rods, Wiseco Forged Pistons and Clevite H-Series Performance Bearings they are able to handle big power!! The unique combinations youll find at Prestige Motorsports are designed to add low-end power and muscle-car sound to this line that provides an excellent platform for turbochargers. Please give us a call and we will help you find the part you need. USD $. It is an upgraded version of our 645 hp naturally aspirated LS.
Long Block View As 8 Products Alphabetically, A-Z Price - 11165 12999 14833 16666 18500 Add To Cart We use the best name brands such as Dart, Callies, Lunati, CP-Carillo, Eagle, Scat, JE, WebATK SP36-B LS 408CI Stroker Short Block -29cc Dish Pistons 58 Tooth Boost/Nos Ready ATK HP55 Chevy 383 Stroker Base Engine 500HP ATK SP73 LS3 415CI Stroker Short Block -4cc Flat Top Pistons 58 Tooth Our Price (USD): Our
376ci with GM hot cam - factory installed ! WebAMS Racing Stage 1 Built 4 Boost Gen III 6.0L Long Block w/ CNC Heads & BTR Cam $ 6,895.00 Buy in monthly payments with Affirm on orders over $50. WebDart LS Next block Key way lifters Machined for JESEL Belt Drive . WebCNC-Motorsports offers the best selection in LS LS2 LS3 LS7 LSX short blocks. ): Investment-cast, roller trunnion. WebOur Long blocks are built using the best components available. So you can see the IVC and EVO are really moved out compared to your cam, and the overlap has been minimized as well. We will also notify you of the approval or rejection of your refund. WebLS 6-bolt LS 8-bolt Oiling System Wet Sump Dry Sump Reluctor Ring 24X 58X Engine Block Material Cast Iron Block Cant find what you are looking for? Name. Learn more Add to cart Sale items (if applicable) Only regular priced items may be refunded, unfortunately sale items cannot be refunded. The work was high quality, it was completed on time and they took the time to answer all of my questions. WebLS Long Block CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. As I lay rubber down the street, I pray for traction I can keep, but if I spin and start to slide please dear God, protect my sweet ride. We dont guarantee that we will receive your returned item. Thank you for the great work and customer service! LME is simply the best. Introducing The LSA LS3 LS376ci Supercharged Hotrod Crate Engine. This is the absolute proven combination that gives you 2500+ horsepower at your disposal. Displacement: 427". Showing 1 to 2 of 2 (1 pages) WebBluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam $8,029.00 Buy in monthly payments with Affirm on orders over $50. Big Power Big Savings Bore All Rights Reserved. WebLS9 Long Block (Built for Boost) $ 16,803.74 $ 16,250.00 Assembly does not include any electronics Includes dry-sump oil pan and requires external oil tank (not included). Both engines use seasoned GM 6.0L blocks that we have re-machined on our CNCs to far tighter than the original GM tolerances.
LS Pro Short Block | Bennett Racing Engines Late or missing refunds (if applicable) If you havent received a refund yet, first check your bank account again. stroke* Cast iron LSX Series block with cross-bolted 6-bolt main caps* Forged steel crankshaft* Forged steel connecting rods* Forged aluminum 11.0:1 compression pistons* Hydraulic roller camshaft* 0.635 in. ): 2.160 titanium intake / 1.590; hollow, sodium-filled exhaust, Rocker Arms (P/N 12696105 int. It is rated for 12 lbs. It has a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports billet cam core. ): 4.065 x 3.622 (103.25 x 92 mm), Block: Cast-aluminum with six-bolt, cross-bolted main caps, Crankshaft (P/N 12641693): Forged steel with nine-bolt flange, Connecting Rods (P/N 12624231): Forged titanium, Camshaft Type (P/N 12638427): Hydraulic roller, Valve Lift (in. Learn more Part #: BPLS4080C Add to Cart SPECIFICATION REVIEWS RECOMMENDATIONS Description HP & Torque: 570 HP / 530 FT LBS Compression Ratio: 10.8:1 Aluminum Heads 2023 BoostDistrict.
Long Blocks WebThis 370ci LS long block is designed to easily handle 1,000 hp. Refunds (if applicable) Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. Both feature remarkable improvements to the oiling system and cast with exceptional materials.
ls Long Block Boost Ready Skip to the beginning of the images gallery, Roll Master Double Roller w/ Billet Gears & Torrington Bearing, Clevite H-Series Main & Rod, Dura Bond One Piece Cam Bearing. lift, * Aluminum LSX-LS7 cylinder heads with 70cc chambers, 2004-07 CADILLAC CTSV LSA Supercharger Kits, 2006-2009 Trailblazer SS LSA Supercharger Kits, 2009-09 Pontiac G8 LSA Supercharger kits, 2014-17 Chevrolet SS LSA Supercharger Kits, @Boosted.c8 C8 Corvette Shop Car Parts list, AJsDaddy1209 Collection List (Anthony Pinto) 2017 Chevy SS Sedan, BoostDistrict LSx LTx Supercharged Crate Engine Packages, C8 Corvette Suspenion and Lowering packages, Chevrolet Performance Connect and Cruise Engine+Trans Packages, Gen2 TVS2650 BoostDistrict Superchargers Powered by Magnuson, GM Performance Accessory Belt Drive Systems, 2019-23 MAGNUSON GM Magnum DI 5.3L & 6.2L Truck Intercooled Supercharger kit. 5 + 13 = Submit. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. I appreciate the customer service and support! If youve done all of this and you still have not received your refund yet, please contact us at amsracing@gmail.com. WebThis 6.0L LS is designed to handle up to 1,000 hp. Check out the video of this long block running on our dyno as a complete engine with a D1X ProCharger system. WebThis 6.0L LS is designed to handle up to 1,000 hp. WebThe 800 Performance FI Long Block is the first release of a diverse line of Mast Motorsports hand built LS3 based long blocks that are designed for the Hot Rod/Muscle Car market. Fax: 937-548-46037am 5pm M-F EST Feel free to call us at (818) 579.0372 for any help and questions regarding products.
Long Blocks The 416 foundation is a honed and decked LS3 aluminum block with a 4.000 forged Callies rotating assembly with Mahle pistons that is topped off with Mast Black Label Custom Cast cylinder heads. We are experiencing longer than normal build times due to parts and shipping delays, please contact us through live chat for accurate lead times.
Boosted Stroker Shafiroff LS3 Makes 983 800 Performance FI Long Block Long Blocks All rights reserved. See all 48 photos. FACTORY FOUNDATION FOR BOOST Bore: 4.125. INTAKE TO OIL PAN AS PICTURED! Bore: 4.125. So with all of that potential energy simmering on the burner, it was time to get this big project in motion. For baseline horsepower and torque numbers in development, this BluePrint engine was dyno tested with the parts and specifications listed below. Also includes Piston cooling oil nozzles, Engine oil cooler, 6 Ignition coils, Multiple engine sensors, Full forged rotating assembly, Titanium Intake valves, Stainless hollow exhaust valves, and is designed for boost straight from production. to read our customers words.
LSX Bore: 4.125. Theres a big difference in how the two blowers build boost. We do not store credit card details nor have access to your credit card information. LSx Long-Block $ 16,946.99 TSP 454 C.I.D.
Pro Short Block | Bennett Racing Engines He take his time and give the best options for your particular application. It features a strong nodular iron crankshaft, with powdered metal forged connecting rods, and hypereutectic aluminum pistons. LSx Long-Block $ 16,946.99 TSP 454 C.I.D. Call Us 1-800-240-RACE. Handling the top end are 6-bolt heads from Brodix that feature LME in-house CNC porting and utmost quality components with option to upgrade to 1/2" studs.
Preparing Your LS3 For Surviving Boost Copyright 1995-2023 eBay Inc. All Rights Reserved. GM Chevrolet 5.3 325 Premium Long Block 1999-2007 Cast Iron Block without AFM. GM Chevrolet 5.3 325 Premium Long Block 1999-2007 Cast Iron Block without AFM. Brian took the time to spec out things the way we wanted for our desired goals. Contact Us. LSx Short-Block $ 10,099.99 TSP 454 CID 650 HP LSx Turn-Key Package $ 23,968.99 TSP 454 CID 700 HP LSx Turn-Key Package $ 24,458.99 TSP 468 CID 660 HP Tall-Deck LSx Turn-Key Package $ 25,789.99 TSP 468 CID 710 HP Tall-Deck LSx Turn-Key Package $ 25,912.99
Long Block If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days. We use the best name brands such as AFR, Dart, Brodix, Callies, Lunati, CP-Carillo, Crower, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few. WebType: Long Block Vendor: BoostDistrict Description: Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new Chevrolet Performance deep-breathing LSX 6-bolt cylinder heads. We ship UPS daily
Long Blocks for our customers. Learn more Part #: BPLS4080C Add to Cart SPECIFICATION REVIEWS RECOMMENDATIONS Description HP & Torque: 570 HP / 530 FT LBS Compression Ratio: 10.8:1 Aluminum Heads Yeah, we do the basics, such as checking bearing clearances, but Shafiroff checks everything, every part and every possible variable involved. Design & Developed by Informatics Commerce, 1930 Aldine Western Rd Houston, TX 77038, United States, 468" LSX NA - Nitrous Tall Deck Long Block, LME, 1930 Aldine Western Rd Houston, TX 77038, United States.
LS9 Long Block (Built for Boost Engine Details.
Boost Ready lift exhaust, 236 intake/246 exhaust duration at .050 in. And because theyre more sensitive to boost leak due to camshaft overlap we tend to run less overlap on those cams. Need to grab some sticks of lumber? WebBluePrint Engines 408CI Stroker Crate Engine | GM LS Style | Longblock | Aluminum Heads | Roller Cam $8,029.00 Buy in monthly payments with Affirm on orders over $50. Oil pan change required for wet-sump oiling Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions For that, we hit up the guys at ProCharger. It must also be in the original packaging. Long Blocks include assembled short block, assembled cylinder head and all valvetrain components.
Dart SHP LS Next 388CI Boost Ready Ohio Crankshaft 4340 4.000 x 4.000 stroke crank, Motown block (requires small base circle cam), Merlin 10.2 nodular cap block - fully machined, World Man O War Block - Billet caps with bolts, -World Man O War Billet Cap Block - with studs. Of course, we padded that number a smidge to cover the added inertia of our four-door wagon.
Block $2,069.99.
LS Long Blocks What more could a person ask for. See all 48 photos. IN STOCK- Ships Today! WebCallies Billet crank with a 4.000" stroke, 6.125" Ultra rods, and .225" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance. The 800 Performance FI Long Block supports up to 800 horsepower and is competitively priced for such a powerful complete long block. The engine fired up on the first time after install and puts out over 800HP with a small Procharger. The people at LME were excellent.
LS All work done in our state of the art facility. Commercial Address with Loading Dock ($0.00) lift* Aluminum LSX-LS7 cylinder heads with 70cc chambers* 1.8:1 aluminum roller rocker arms* 58-tooth reluctor wheel.
Boosted Stroker Shafiroff LS3 Makes 983 Call Us 1-800-240-RACE. - eBay Money Back Guarantee - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Report this item - opens in new window or tab, 5.3 ls Long Block Boost Ready (#144410651455), Item was not totally accurate but if it runs and is not a junkyard motor I'm ok, 5.3 ls engine Boost Ready (#143937725614), Sold the the wrong transmission and I never got a refund, 4l60e transmission 4x4 with transfer case (#143899282076). Thanks LME!!!! LSx Short-Block $ 10,099.99 TSP 454 CID 650 HP LSx Turn-Key Package $ 23,968.99 TSP 454 CID 700 HP LSx Turn-Key Package $ 24,458.99 TSP 468 CID 660 HP Tall-Deck LSx Turn-Key Package $ 25,789.99 TSP 468 CID 710 HP Tall-Deck LSx Turn-Key Package $ 25,912.99
Dart SHP LS Next 388CI Boost Ready What's BoostDistrict 1000HP HotRod Engine/Supercharger Package, LS3 430 Full Crate Engine Dressed (IN STOCK), BoostDistrict 750HP/860HP HotRod Engine/Supercharger Package, LS364 Supercharged Hotrod Long Block with belt drive, Chevrolet Performance GenV LT5 Crate Engine 755HP, LT376/535 Wet-Sump 6.2L 535HP Crate Engine, LT1 Dry Sump 6.2L 460HP Crate Engine GEN5, LS376 Supercharged Hotrod Long Block with belt drive, LS427/570 Wet Sump 7.0L 427 C.I.D. Oil pan change required for wet-sump oiling Includes 9-bolt crankshaft flange that may require adapter for use with some transmissions * Cast iron LSX Series block with cross-bolted 6-bolt main caps, * Forged aluminum 11.0:1 compression pistons, * 0.635 in. They are ready for your covers, sensors, intake assembly and oil pan. WebLong Blocks Long Blocks All 2650 GMPerformance instock LSX Supercharged Crate Engine Check out our featured Long Blocks to serve your builds/swaps! WebWe Offer Them In 3 Stages Of Boost Ready Performance And Can Be Purchased As 403 (4.005" Bore) or 408 (4.030" Bore) On Request. Our game plan penciled out to 415 cubes. WebTSP 454 C.I.D. Once the returned item is received, a gift certificate will be mailed to you. $2,069.99. ): Investment-cast, roller trunnion, Rocker Arms (P/N 12681275 exh. Residential Address (Includes Liftgate) (+$120.00). Big Power Big Savings Bore We use the best name brands such as AFR, Dart, Brodix, Callies, Lunati, CP-Carillo, Crower, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few. ! Terms & Conditions. All Rights Reserved. We can custom build this to your needs. The LSA on the cam for this engine was 117 due to the EVO being 66 degrees BBDC. Power Output (HP): 5 + 13 = Submit. Long Block comes with LS7 Crank pulley. Our long blocks have become a huge hit among racers of all types worldwide. Shipping costs are non-refundable. So, the total specs were 231/248 117+5 for the cam in this build. Terms & Conditions. Diamond custom forged pistons w/Internal milling, Lateral gas ports, double pin oilers, Crower Stainless AdjustableShaft Mount Roller Tip, Some of the finest quality machine work available in a timely manner my cylinder heads were perfectly CNC and Assemble perfectly I would highly recommend them for all your high-quality motor needs. IN STOCK- Ships Today! The assembly includes a forged rotating assembly (including lightweight titanium connecting rods), rotocast aluminum cylinder heads with titanium intake valves and stainless hollow exhaust valves, multiple engine sensors and six ignition coils. LSx Short-Block $ 10,099.99 TSP 454 CID 650 HP LSx Turn-Key Package $ 23,968.99 TSP 454 CID 700 HP LSx Turn-Key Package $ 24,458.99 TSP 468 CID 660 HP Tall-Deck LSx Turn-Key Package $ 25,789.99 TSP 468 CID 710 HP Tall-Deck LSx Turn-Key Package $ 25,912.99 Sort by BoostDistrict 1000HP HotRod Engine/Supercharger Package Contact Us. Check out the video of this long block running on our dyno as a complete engine with a D1X ProCharger system.
Stroker Thanks to all the great staff at LME for my build! Custom builds available upon request. WebType: Long Block Vendor: BoostDistrict Description: Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new Chevrolet Performance deep-breathing LSX 6-bolt cylinder heads.
LS9 Long Block (Built for Boost They offered up a track proven D-1SC blower with their quieter gearset. Our Long blocks are built using the best components available. Weve made great power on the dyno with their centrifugal blowers, but havent gotten to stuff one into a project car yet.
Preparing Your LS3 For Surviving Boost lift intake/0.635 in. Due to the number of application variations, the Chevrolet Performance LSX 454 long block crate engines do not include an oil pan, and the valve covers do not include provisions for mounting the ignition coil brackets.Other specifications include:* 4.185 in. WebCNC-Motorsports offers the best selection in LS LS2 LS3 LS7 LSX short blocks. It made the C6 ZR1 a legend in its own timeand theres no telling where its performance potential will take your project! We use the best name brands such as AFR, Dart, Brodix, Callies, Lunati, CP-Carillo, Crower, Eagle, Scat, JE, Diamond, Mahle and Manley just to name a few. Contact us for specific product information.Design & Developed by Informatics Commerce. See all 48 photos. Don't see exactly what you're looking for? Feel free to call us at (818) 579.0372 for any help and questions regarding products. ARP fasteners are used throughout and Mast pushrods ride on LS7 hydraulic roller lifters.
Boost Ready Now, weve built a lot of LS engines, but weve always been impressed with the work done by professional shops such as Shafiroff Racing Engines in New York. They are ready for your covers, sensors, intake assembly and oil pan. WebLS Long Block CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. You will receive a link to reset your password. Ohio Crankshaft is proud when one of their customers does well. WebOur turn-key LS crate engine packages range from 393 to 427 cubic inches and are based on the legendary LS platform. Take the kids to a sports deal, equally as easy.
Block Fuel Delivery Type: Advertised dyno numbers are achieved with - 90mm cable throttle body, LS3 Factory IntakeLS3 43# Injectors, Timing (Initial/Total Advance): Ignition timing and spark advance are controlled by Powertrain Control Module, Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR 24X reluctor ring, cam sensor in the back of the block. USD $.
Ready The foundation is a seasoned GM 6.0L block that we have re-machined on our CNCs to far tighter than the original GM tolerances.
Boosted Stroker Shafiroff LS3 Makes 983 of boost. Something went wrong. Choosing Supercharger Cams To be eligible for a return, your item must be unused and in the same condition that you received it. Please give us a call and we will help you find the part you need. WebThis series of high performance LS turbo short block engines works great for both Centrifugal and Twin Screw Style Super Chargers and can be custom built to work with Turbo Chargers as well. The 800 Performance FI Long Block supports up to 800 horsepower and is competitively priced for such a powerful complete long block.
Block Been using LME for 15 years! The foundation is a seasoned GM 6.0L block that we have re-machined on our CNCs to far tighter than the original GM tolerances. Rated to 1000 hp, our stage 1 long block is a capable choice for most boosted applications. Name. WebThis 370ci LS long block is designed to easily handle 1,000 hp. We asked Brian Tooley, who chose the cam for this build, his thoughts on selecting a blower cam. Type:LS3 6.8LDisplacement:416 Cubic InchesCompression Ratio: 9.5:1Bore x Stroke:4.065 x 4.000Rev Limit:7000 RPMCrank:Callies ForgedRods:Callies H-BeamPistons:Mahle MotorsportsCam:Mast Custom 3-Bolt Core CamIntake:Not IncludedValve Springs:PAC Racing Dual Springs. Most items are available ready to ship. Need More Info? ","image":{"created_at":"2019-07-17T19:59:16-05:00","alt":null,"width":1771,"height":2048,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0666\/1701\/collections\/LS7_427_2.9L_5b220b5e-531f-4e78-ab93-e0c33003d409.png?v=1563411558"}},{"id":152865931361,"handle":"all-engines","updated_at":"2023-02-17T15:25:32-06:00","published_at":"2019-10-17T10:47:43-05:00","sort_order":"manual","template_suffix":"","published_scope":"global","title":"Products - Engines","body_html":""}], ["built ls engine","built ls3","complete ls","complete ls3","ls3 engine","ls3 long block","ls3 supercharged","mast ls3 engine","supercharged engine","supercharged ls","turn-key ls3","turnkey ls3"].
GEN IV Power Adder Short Block With quality parts such as Callies Forged Crank and Rods, Wiseco Forged Pistons and Clevite H-Series Performance Bearings they are able to handle big power!! GM LS3 6.2L 416 Cubic Inch Stroker Long Block, Race Prep LS3 Aluminum Block, Callies Compstar 4.000 Stroke Crankshaft, Callies Compstar H Beam Rods with ARP2000 Bolts, Diamond 9.0:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR 260 LS3 CNC Ported Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs, GM LS3 6.2L 416 Cubic Inch Stroker Long Block, Race Prep LS3 Aluminum Block, Lunati 4.000 Stroke Crankshaft, Lunati H Beam Rods with ARP2000 Bolts, Diamond 11.4:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR 260 LS3 CNC Ported Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs, GM LSX 454 Cubic Inch Stroker Long Block, Race Prep LSX Block, Compstar 4.125 Stroke Crankshaft, Compstar H Beam Rods with ARP2000 Bolts, Diamond 11.5:1 Pistons, CNC Custom Hydraulic Roller Camshaft, Cloyes Billet Timing Chain, Melling Performance Oil Pump, AFR LS3 Heads, Yella Terra Shaft Rockers, 100% Machined, Balanced, and the long block assembly is blue-printed to our race winning specs. WebOur turn-key LS crate engine packages range from 393 to 427 cubic inches and are based on the legendary LS platform. Email Address. 376ci with GM hot cam - factory installed ! Please give us a call and we will help you find the part you need.
Dart SHP LS Next 388CI Boost Ready CNC-Motorsports LS LS2 LS3 LSX long blocks designed for performance racers. It features a strong nodular iron crankshaft, with powdered metal forged connecting rods, and hypereutectic aluminum pistons. AED ..
Long Block The foundation is a seasoned GM 6.0L block that we have re-machined on our CNCs to far tighter than the original GM tolerances. Callies Billet crank with a 4.000" stroke, 6.125" Ultra rods, and .225" wall heavy duty pins conclude the proven rotating construction making this the ultimate base for street car dominance. BILLET VALVE COVERS NOT INCLUDED IN LONG BLOCK PRICE. If we pulled back your EVO to 62 degrees BBDC that would make your cam specs 231/244 116+4, but I know that 62 isnt really enough EVO for a supercharged 400+ inch engine.
Boost Ready The LS3 engine is built around a strong cast aluminum block with 6-bolt main caps and internal components with performance and the enthusiast in mind. 627 hp @ 6300 rpm on a Non-Boosted application with OEM LS7 intake manifold! 1:00 p.m. - 3:00 p.m. 2023 BluePrint Engines. ft TorqueReplaces 1925 LS3 525 Long Block 1 Available. Learn more Add to cart Its why their engines survive in race cars. WebType: Long Block Vendor: BoostDistrict Description: Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new Chevrolet Performance deep-breathing LSX 6-bolt cylinder heads. BILLET VALVE COVERS NOT INCLUDED IN LONG BLOCK PRICE. 2020 Late Model Engines. WebOur turn-key LS crate engine packages range from 393 to 427 cubic inches and are based on the legendary LS platform.