Engines & Components
Availability
Engines & Engine Parts
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Showing In Stock Items. Show All 31 Items.
BTR PLATINUM LS DUAL SPRING KIT - .660" LIFT - SK001
Part Number: BTC-S0478
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
BTR LTX CONICAL SPRING KIT FOR BRONZE VALVE GUIDES
Part Number: BTC-SK013-6545
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
BTR .625" LIFT CONICAL LS7 VALVE SPRING KIT BRONZE GUIDES
Part Number: BTC-SK021-6545
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
ROCKER ARMS, PRO SERIES ALUM, FORD Boss 351C-M, 400, 429, 460 1968-97, 1.73 x 7/16"
Part Number: PQX-6545402
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
BTR .625 LIFT BEEHIVE VALVE SPRING KIT .565" BRONZE GUIDES
Part Number: BTC-S0522
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
BTR PLATINUM LS9 DUAL SPRING KIT - .660" LIFT - SK006
Part Number: BTC-S0479
Not Yet Reviewed
Estimated Ship Date: Apr 23, 2026 if ordered today
Estimated Ship Date: Apr 23, 2026 if ordered today
H-BEAM CONNECTING RODS
Part Number: SCA-65458187
Not Yet Reviewed
Estimated Ship Date: Jun 10, 2026 if ordered today
Estimated Ship Date: Jun 10, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster