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, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1248-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. O.D., 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1243-16
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. O.D., 526 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1245-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 687 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1248
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Circle Track, Dual, 1.550 in. O.D., 526 lbs./in. Rate, 1.200 in. Coil Bind Height, Each
Part Number: RSC-PAC-1245
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1249
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Spring, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1247
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, 1200 Series Drag Race, Triple, 1.645 in. O.D., 682 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1247-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, 1200 Series, Dual, 1.570 in. O.D., 743 lbs./in. Rate, 1.035 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1244-16
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 Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1249-16
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Valve Springs, 1200 Series, Dual, 1.570 in. O.D., 743 lbs./in. Rate, 1.035 in. Coil Bind Height, Each
Part Number: RSC-PAC-1244
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 Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Each
Part Number: RSC-PAC-1246
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 Drag Race, Triple, 1.645 in. O.D., 689 lbs./in. Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1246-16
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 Circle Track, Dual, 1.550 in. O.D., 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: RSC-PAC-1243
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
VALVE SPRING ASSY DRAG RACE
Part Number: RSC-PAC-1243L
Not Yet Reviewed
Estimated Ship Date: Sep 11, 2025 if ordered today
Estimated Ship Date: Sep 11, 2025 if ordered today
VALVE SPRING ASSY DRAG RACE
Part Number: RSC-PAC-1243L-16
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-S124
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-S124-16
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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