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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 27 Items.
Valve Springs, 1300 Series Drag Race, Dual, 1.500 in. O.D., 780 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1356-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1300 Series, Standard Style, Dual, 1.500 in. O.D., 375 lbs./in. Spring Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1357-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1300 Series, Dual, 1.500 in. Outside Diameter, 780 lb/in., 0.726 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1355-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1300 Series Drag Race, Dual, 1.500 in. Outside Diameter, 780 lb/in., 0.726 in Inside Diameter, Each
Part Number: RSC-PAC-1356
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1300 Series Drag Race, Triple, 1.645 in. O.D., 688 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1358
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
1.550 OD 2.200 1" Lift spring
Part Number: RSC-PAC-1355H-16
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
Valve Spring Locator, Inside Locating Shoulder, Steel, 1.270 in. O.D., 0.570 in. I.D., 0.060 in. Thick, GM LS Engines, Set of 16
Part Number: RSC-PAC-S135-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Steel Spring Seat for All LS Springs for use in Small Block
Part Number: RSC-PAC-S135
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
