Engines & Components
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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.
Valve Springs, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1225-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1224-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1228-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1226-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.105 in. O.D., 342 lbs./in. Rate, 0.900 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1223-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1220-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series, Beehive, Single, 1.445 in. O.D., 370 lbs/in. Rate, 1.210 in. Coil Bind Height, Each
Part Number: RSC-PAC-1220X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.105 in. O.D., 342 lbs./in. Rate, 0.900 in. Coil Bind Height, Each
Part Number: RSC-PAC-1223
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1224
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1228
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Beehive, Single, 1.445 in. O.D., 370 lbs./in. Rate, 1.210 in. Coil Bind Height, Each
Part Number: RSC-PAC-1220
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series, Dual, 1.300 in. Outside Diameter, 408 lb/in., 0.655 in. Inside Diameter, Each
Part Number: RSC-PAC-1221
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE SPRING OVATE BEEHIVE
Part Number: RSC-PAC-1223X
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Spring, 1200 Series, Dual, 1.539 in. Outside Diameter, 0.731 in. Inside Diameter, Each
Part Number: RSC-PAC-1227
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Springs, 1200 Series, Beehive, Single, 1.445 in. O.D., 370 lbs/in. Rate, 1.210 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1220X-16
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Spring, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1225
Not Yet Reviewed
Estimated Ship Date: Aug 22, 2025 if ordered today
Estimated Ship Date: Aug 22, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Today
Valve Spring, 1200 Series, Dual, 1.539 in. Outside Diameter, 0.731 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1227-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Springs, 1200 Series, Dual, 1.550 in. O.D., 663 lbs./in. Rate, 1.150 in. Coil Bind Height, Each
Part Number: RSC-PAC-1226
Not Yet Reviewed
Estimated Ship Date: Sep 2, 2025 if ordered today
Estimated Ship Date: Sep 2, 2025 if ordered today
VALVE SPRING
Part Number: BRO-PAC-1224
Not Yet Reviewed
Estimated Ship Date: Sep 25, 2025 if ordered today
Estimated Ship Date: Sep 25, 2025 if ordered today
VALVE SPRINGS
Part Number: FLK-PAC1224
Not Yet Reviewed
Estimated Ship Date: Oct 20, 2025 if ordered today
Estimated Ship Date: Oct 20, 2025 if ordered today
Valve Spring, RPM Series, Dual, 1.280 in. Outside Diameter, 425 lb/in., 0.655 in. Inside Diameter, Each
Part Number: RSC-PAC-1222X
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Valve Spring, RPM Series, Dual, 1.280 in. Outside Diameter, 425 lb/in., 0.655 in. Inside Diameter, Set of 16
Part Number: RSC-PAC-1222X-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING OVATE BEEHIVE
Part Number: RSC-PAC-1223-24
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING OVATE BEEHIVE
Part Number: RSC-PAC-1223-32
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Steel Seats - for Pacaloy Retainers
Part Number: RSC-PAC-S122-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
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