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...

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Results 1 - 9 of 9

PAC Racing 1900 Series Hot Rod Valve Springs PAC-1900-16

Valve Springs, 1900 Series Hot Rod, Single, 1.500 in. O.D., 376 lbs/in. Rate, 1.115 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1900-16

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1903-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.459 in. O.D., 391 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1903-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing Hot Rod Series Valve Springs PAC-1901

Valve Springs, Hot Rod Series, Dual, 1.540 in. O.D., 492 lbs./in. Rate, 1.130 in. Coil Bind Height, Each

Part Number: RSC-PAC-1901

Not Yet Reviewed

Estimated Ship Date: Today

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1905-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.304 in. O.D., 392 lbs./in. Rate, 1.020 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1905-16

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

PAC Racing Hot Rod Series Valve Springs PAC-1902-16

Valve Springs, Hot Rod Series, Beehive, 1.254 in. O.D., 422 lbs/in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1902-16

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

PAC Racing 1900 Series Hot Rod Valve Springs PAC-1903

Valve Spring, 1900 Series Hot Rod, Dual, 1.459 in. O.D., 391 lbs./in. Rate, 1.050 in. Coil Bind Height, Each

Part Number: RSC-PAC-1903

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1903-16

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1900 Series Hot Rod Valve Springs PAC-1908

Valve Spring, 1900 Series Hot Rod, Dual, 1.465 in. O.D., 417 lbs./in. Rate, 0.910 in. Coil Bind Height, Each

Part Number: RSC-PAC-1908

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

PAC Racing 1900 Series Hot Rod Valve Springs PAC-1908-16

Valve Springs, 1900 Series Hot Rod, Dual, 1.465 in. O.D., 417 lbs./in. Rate, 0.910 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1908-16

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

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Estimated Ship Date: Oct 21, 2025 if ordered today

PAC Racing Valve Spring Shims PAC-S190

Valve Spring Shims, Hardened, 1.25 in. O.D., 0.570 in. I.D., 0.020 in. Thick, Each

Part Number: RSC-PAC-S190

Not Yet Reviewed

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