en-us Wed, 26 Aug 2026 12:21:59 GMT 184824198 https://www.racingjunk.com/mechanical/184824198/mechanical-fuel-injection-jetting-calculator.html perfect gift for racing mechanical fuel injection engine builder/tuner/racer web app works on any portable or stationary web device one year membership currently used by competitors throughout: drag, top speed, sprint, tractor, land, water motorsports order through mficalc.com not for EFI or carbs provides jetting info for precise setup/tuning of racing fuel injection for normally aspirated engines for forced induction: roots, screw, centrifugal, turbo. two stage any fuel: alcohol, nitro, gas,…

]]> Engine Parts: Fuel Injection: Mechanical Wed, 26 Aug 2026 02:10:46 GMT 184693106 https://www.racingjunk.com/rotating-assemblies/184693106/manley-ls-7-427-cid-rotating-kit-free-freight-.html Manley LS 1 or 7 427 CID Rotating Assembly Balanced Internally Brand new FREE FREIGHT (Commercial Locations only) Enter Discount code RJ2025 at check out on website www.billmitchellproducts.com Free freight to commercial locations Compression 10.7:1 to 11.0:1 with a 64cc head, 9.240" deck height and a .050" head gasket Manley #192658 4.000" 4340 forged lightweight with long L7 snout, 58 tooth reluctor 2.100" rod journals 51-53lbs Manley #15051R 6.125" 4340 forged…

]]> Engine Parts: Rotating Assemblies Tue, 25 Aug 2026 07:50:08 GMT 184693102 https://www.racingjunk.com/cranks/184693102/crank-shaft-sale-sale-sale-in-stock-now.html BRAND NEW Crankshafts - In Stock - Ready to SHIP ON SALE Updated April 5, 2026 ALL CRANKS are 4340 Forged Lunati SIGNATURE CRANKS 4 BBC 4.125 Stroke Blower with Double Keyways - $1498 4 BBC 4.250 Stroke Blower with Double Keyways - $1798 3 BBC 4.500 Stroke Blower with Double Keyways - $1798 Also Work for Standard Applications - 2500+ HP Lunati VOODOO CRANKS 1 LS 3.622 Stroke - $769 MOLNAR CRANKS 3 BBC 4.750 Stroke N2O for CW cam-cut for 6.635 rods - $1189 K1 4340 FORGED CRANKS 1 SBC 3.562 Stroke…

]]> Engine Parts: Cranks Tue, 25 Aug 2026 07:50:05 GMT 184652953 https://www.racingjunk.com/blocks/184652953/lt1-lt4-lt5-aluminum-6.2l-cnc-machined-block.html MACHINED LT4 BLOCKS IN STOCK GM's aluminum LT production block has proven itself to be a strong performer. We see this block as being able to reliably handle over 1,000 hp. That could not be said about its LS predecessor. We offer this block fully machined, upgraded and ready to assemble with a diamond CNC hone finish appropriate for your application. Our state-of-the-art CNC equipment provides a level of precision far beyond OE. All blocks are individually serialized on our 4-axis CNC…

]]> Engine Parts: Blocks Tue, 25 Aug 2026 07:50:05 GMT 184613654 https://www.racingjunk.com/mechanical/184613654/engler-fuel-injection-now-at-alkydigger.com.html ENGLER Fuel Injection has partnered up with Alkydigger.com to Show, Sell, & Promote their Fabulous Precision 8 Stack Injections Both EFI & Mechanical - Trick Valves, Hoses, Nozzles, Jets , & 4 Cyl Midget Injectors . Engler is a Design and Manufacturer , and their stuff is always dead on with regard to flow characterstics https://www.alkydigger.net/category/7.html go here to view - We are building this product line up, so we may not have the full array of products on display yet.

]]> Engine Parts: Fuel Injection: Mechanical Tue, 25 Aug 2026 07:50:05 GMT 184554777 https://www.racingjunk.com/oil-pumps-pans-system/184554777/windage-tray-kit-for-dart-ls-next-shp-.html Made by Borowski Race Engines, Inc - Dart's new LS Next line of blocks feature a handful of improvements over the GM blocks, but the unique main cap design requires this kit and hardware to mount a GM windage tray to the block. This kit also adds additional mounting points for a variety of pick up tubes. In our experience, some nipping and tucking is required to get certain oil pump pickups mounted to the caps. Most commonly it involves reshaping and/or extending the pickup's…

]]> Engine Parts: Oil Pumps/Pans/System Tue, 25 Aug 2026 07:50:05 GMT 184453216 https://www.racingjunk.com/electronic-efi/184453216/fueltech-ecus-pro-wiring-harnesses.html PRICE SHOWN IS FOR FT450 (basic model, no harness). CLICK "BUY NOW" FOR PRICING ON ALL FOUR MODELS We now use FuelTech ECUs on our engines across a broad range of applications including street, race, off-road and marine. These powerful professional-grade systems are rugged and waterproof (IP67 rated) with an integral display screen. They are built to deliver high performance on land and on water. What really differentiates FuelTech from other players in this space is their…

]]> Engine Parts: Fuel Injection: Electronic/EFI Tue, 25 Aug 2026 07:50:05 GMT 184446701 https://www.racingjunk.com/rotating-assemblies/184446701/k1-ls-balanced-rotating-assembly-3.900-stroke.html This K1/Wiseco Rotating Assembly for 393cid / 6.45L to 407cid / 6.7L cid GM LS engines is Precision Balanced with 3.900 stroke K1 4340 Forged Crank, K1 H-beam rods with ARP2000 bolts and Wiseco 2618 forged pistons with Nitrided steel rings for 9.2 to 10.3 to 1 compression with 68cc combustion chambers. Fits LS1/LS2/LS6 and LS3/L92engines. (Also available with 3.799, 4.030, 4.040, 4.065, 4.070, 4.075, 4.080 bore for 354cid 5.8L - 393cid 6.45L) The 3.900 stroke fits the stock LS blocks better…

]]> Engine Parts: Rotating Assemblies Tue, 25 Aug 2026 07:50:05 GMT 184430394 https://www.racingjunk.com/blocks/184430394/windage-tray-kit-for-dart-ls-next-shp-.html Made by Borowski Race Engines, Inc - Dart's new LS Next line of blocks feature a handful of improvements over the GM blocks, but the unique main cap design requires this kit and hardware to mount a GM windage tray to the block. This kit also adds additional mounting points for a variety of pick up tubes. In our experience, some nipping and tucking is required to get certain oil pump pickups mounted to the caps. Most commonly it involves reshaping and/or extending the pickup's…

]]> Engine Parts: Blocks Tue, 25 Aug 2026 07:50:05 GMT 184362125 https://www.racingjunk.com/ignition-spark-plugs-wiring/184362125/msd-44-amp-magneto-setup-with-an-rcd-billet-front-drive-.html NEW 44 Amp MSD , RCD Dual Angle Drive, Combination ( Fuel pump can be included or not ) RCD-MSD-44 44 Amp MSD , RCD Dual Angle Drive, Enderle Fuel Pump Combination With Transformer - Coil- Wires- RCD Billet Drive and clamps - in stock at Alkydigger.com 615-457-3192 Description 44 Amp MSD Magneto with , RCD Dual 90 degree Drive, Plug wires ( not Hemi ) RCD Billet Angle Drive 90 degree , Installation kit with Billet Clamps CW Rotation with large Cap - Red or Black RCD Dual…

]]> Engine Parts: Ignition/Spark Plugs/Wiring Tue, 25 Aug 2026 07:50:05 GMT 184352828 https://www.racingjunk.com/blowers/184352828/1471-xr1-complete-setup-bb-sb-chevy-tbs-competition-blower.html Description NEW BB or SB Chevy XR-1 14-71 Ultimate Big Block/ Small Block Chevy Special* We like to use our 8-71 XR1 on SB Chevy or LS Engines This is our most powerful Blower Includes: Black 2157 XR-1 Billet 14-71 Stripped for Alcohol- nitro w Snout 125 degree High- Helix , . w V Opening Delta Adjustable top opening 10.5 " for BAU and Carbon Hats 12" for Birdcatcher and Buzzard Rear Cooling holes tapped for injection nozzles 18 point Rotor stripping full seal…

]]> Engine Parts: Blowers Tue, 25 Aug 2026 07:50:05 GMT 184352827 https://www.racingjunk.com/cranks/184352827/rcd-sbc-crank-shaft-support-assembly-billet-with-blower-hub.html Description RCD Engineering Billet SBC CRANK SUPPORT EXTENDED - for use with 1V Accessory Pulley * with over 20% blower overdrive you stand a good chance to snap the snout off a SB Chevy Crankshaft . Alkydigger and RCD to the rescue ! Comes with Long RCD Chevy SB Hub and RCD Small Block Crank Bolt Will accommodate 1V pulley only, not 2V * Works with all 6-3/8" ; RCDCrank Trigger Wheels and Degree Rings We stock all RCD Equipment Bearing rated to over 9000 RPM 55T 8MM pulley is…

]]> Engine Parts: Cranks Tue, 25 Aug 2026 07:50:05 GMT