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Engines & Components

Engines & Engine Parts

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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.

Individual Parts
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Results 1 - 25 of 495

PAC Racing 1200 Series Drag Race Valve Springs PAC-1225-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1225-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1225-16

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Valve Springs PAC-1218-16

PAC Racing 1200 Series Valve Springs PAC-1218-16

PAC Racing 1200 Series Valve Springs PAC-1218-16

Valve Springs, Beehive, Single, 1.290 in. O.D., 313 lbs./in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1218-16

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Drag Race Valve Springs PAC-1281X-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1281X-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1281X-16

Valve Springs, 1200 Series Drag Race, Beehive, Single, 0.551 in. Maximum Valve Lift, 245 lbs./in. Rate, Ford, 5.0L Modular V8, Set of 16

Part Number: RSC-PAC-1281X-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Drag Race Valve Springs PAC-1248-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1248-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1248-16

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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Valve Springs PAC-1219-16

PAC Racing 1200 Series Valve Springs PAC-1219-16

PAC Racing 1200 Series Valve Springs PAC-1219-16

Valve Springs, Beehive, Single, 1.307 in. O.D., 1.800 in. Installed height, 340 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1219-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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PAC Racing RPM Series Valve Springs PAC-1234X-16

PAC Racing RPM Series Valve Springs PAC-1234X-16

PAC Racing RPM Series Valve Springs PAC-1234X-16

Valve Springs, RPM Series, Beehive, Single, 1.020 in. O.D., 240 lbs./in. Spring Rate, 0.940 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1234X-16

Not Yet Reviewed

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PAC Racing 1200 Series Drag Race Valve Springs PAC-1224-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1224-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1224-16

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

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing Specialty & Class Specific Valve Springs PAC-1210X-16

PAC Racing Specialty & Class Specific Valve Springs PAC-1210X-16

PAC Racing Specialty & Class Specific Valve Springs PAC-1210X-16

Valve Springs, Specialty and Class Specific, Single, 1.245 in. Outside Diameter, 291 lb/in., Set of 16

Part Number: RSC-PAC-1210X-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Drag Race Valve Springs PAC-1228-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1228-16

PAC Racing 1200 Series Drag Race Valve Springs PAC-1228-16

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

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PAC Racing 1200 Series Circle Track Valve Springs PAC-1243-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1243-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1243-16

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1300 Series Drag Race Valve Springs PAC-1332-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1332-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1332-16

Valve Springs, 1300 Series Drag Race, Dual, 0.900 in. Maximum Valve Lift, 863 lbs./in. Rate, 1.150 in. Coil Bind Height, 1.514 in. O.D., Set of 16

Part Number: RSC-PAC-1332-16

Not Yet Reviewed

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PAC Racing RPM Series Valve Springs PAC-1217X-16

PAC Racing RPM Series Valve Springs PAC-1217X-16

PAC Racing RPM Series Valve Springs PAC-1217X-16

Valve Springs, RPM Series, Beehive, Single, 1.061 in. O.D., 308 lbs/in. Rate, 0.950 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1217X-16

Not Yet Reviewed

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PAC Racing RPM Series Valve Springs PAC-1238X-16

PAC Racing RPM Series Valve Springs PAC-1238X-16

PAC Racing RPM Series Valve Springs PAC-1238X-16

Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Set of 16

Part Number: RSC-PAC-1238X-16

Not Yet Reviewed

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PAC Racing 500 Series Valve Spring Retainers PAC-R508-16

PAC Racing 500 Series Valve Spring Retainers PAC-R508-16

PAC Racing 500 Series Valve Spring Retainers PAC-R508-16

Valve Spring Retainers, 500 Series, Dual, Titanium, 1.365 in. O.D., 10 degree, Set of 16

Part Number: RSC-PAC-R508-16

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Circle Track Valve Springs PAC-1226-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1226-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1226-16

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing RPM Series Valve Springs PAC-1209X-16

PAC Racing RPM Series Valve Springs PAC-1209X-16

PAC Racing RPM Series Valve Springs PAC-1209X-16

Valve Springs, RPM Series, Dual, 1.324 in. O.D., 500 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1209X-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 1200 Series Circle Track Valve Springs PAC-1245-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1245-16

PAC Racing 1200 Series Circle Track Valve Springs PAC-1245-16

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

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PAC Racing 1300 Series Drag Race Valve Springs PAC-1330-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1330-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1330-16

Valve Springs, 1300 Series Drag Race, Standard Style, Dual, 1.500 in. O.D., 780 lbs./in. Spring Rate, 1.130 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1330-16

Not Yet Reviewed

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PAC Racing RPM Series Valve Springs PAC-1207X-16

PAC Racing RPM Series Valve Springs PAC-1207X-16

PAC Racing RPM Series Valve Springs PAC-1207X-16

Valve Springs, RPM Series, Dual, 1.304 in. O.D., 433 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1207X-16

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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PAC Racing RPM Series Valve Springs PAC-1232X-16

PAC Racing RPM Series Valve Springs PAC-1232X-16

PAC Racing RPM Series Valve Springs PAC-1232X-16

Valve Springs, RPM Series, Beehive, Single, 0.650 in. Maximum Valve Lift, 423 lbs./in. Rate, Chrysler, Dodge, Jeep, Ram, Set of 16

Part Number: RSC-PAC-1232X-16

Not Yet Reviewed

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PAC Racing 1300 Series Drag Race Valve Springs PAC-1360-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1360-16

PAC Racing 1300 Series Drag Race Valve Springs PAC-1360-16

1.522 OD 2.250 1.00" Dual Spring

Part Number: RSC-PAC-1360-16

Not Yet Reviewed

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PAC Racing RPM Series Valve Springs PAC-1219X-16

PAC Racing RPM Series Valve Springs PAC-1219X-16

PAC Racing RPM Series Valve Springs PAC-1219X-16

Valve Springs, RPM Series, Beehive, Single, 1.307 in. O.D., 340 lbs/in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1219X-16

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PAC Racing 400 Series Valve Spring Retainers PAC-R464-16

PAC Racing 400 Series Valve Spring Retainers PAC-R464-16

PAC Racing 400 Series Valve Spring Retainers PAC-R464-16

Valve Spring Retainers, 400 Series, Single, Titanium, 0.795 in. O.D., Set of 16

Part Number: RSC-PAC-R464-16

Not Yet Reviewed

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PAC Racing RPM Series Valve Springs PAC-1218X-16

PAC Racing RPM Series Valve Springs PAC-1218X-16

PAC Racing RPM Series Valve Springs PAC-1218X-16

Valve Springs, RPM Series, Beehive, Single, 1.290 in. O.D., 313 lbs/in. Rate, 1.140 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1218X-16

Not Yet Reviewed

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PAC Racing 300 Series Valve Spring Retainers PAC-R310-16

PAC Racing 300 Series Valve Spring Retainers PAC-R310-16

PAC Racing 300 Series Valve Spring Retainers PAC-R310-16

Valve Spring Retainers, 300 Series, Steel, 1.035 in. O.D., Single, Beehive, 10 degree, Set of 16

Part Number: RSC-PAC-R310-16

4.67 out of 5 stars ( 3 )

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