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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BTR Platinum Valve Spring Kits SK001/S/0560/BB

Valve Spring Kit, Platinum, Dual, Standard, Steel Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit

Part Number: BTC-SK001S0560BB

5.0 out of 5 stars ( 8 )

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Summit Racing™ Valve Springs SUM-174002

Pro LS Valve Springs, LS6 Style, 0.550 Max Lift, Single Beehive, 1.270 in. O.D., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174002

4.76 out of 5 stars ( 25 )

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Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500286P

Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit

Part Number: TFS-2500286P

2.7 out of 5 stars ( 10 )

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Trick Flow® Valve Spring Upgrade Kits TFS-2500100

Trick Flow® Valve Spring Upgrade Kits TFS-2500100

Valve Springs, Retainers, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit

Part Number: TFS-2500100

4.68 out of 5 stars ( 60 )

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BTR Platinum Valve Spring Kits SK001/T/0560/BB

Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Factory Valve Guides, Kit

Part Number: BTC-SK001T0560BB

4.75 out of 5 stars ( 4 )

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Summit Racing™ Valve Spring and Retainer Kits SUM-174000

Valve Springs, Retainers, Single Springs, Steel Retainers, Locks, Single Groove, Seals, Chevy Small Block, Kit

Part Number: SUM-174000

4.6 out of 5 stars ( 42 )

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Summit Racing™ Valve Springs SUM-174004

Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174004

5.0 out of 5 stars ( 2 )

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BTR Beehive Valve Spring Kits BTR-SK018

Valve Springs, Beehive Valve Spring Kits, Single, 0.625 in. Maximum Valve Lift, 1.285 in./1.020 in. Outer Spring O.D., Chevy, Small Block LS, Kit

Part Number: BTC-BTR-SK018

Not Yet Reviewed

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Summit Racing™ Dual Valve Spring Upgrade Kits for GM LS SME-174003

Valve Spring Upgrade Kit, 1.300 OD Dual Springs, Retainers/Locks, Seals, All GM LS LS1, LS2, LS3, LS7, LSA, LS9, LQ4, LQ9, L92, L76, LY6

Part Number: SME-174003

4.19 out of 5 stars ( 16 )

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Summit Racing™ Valve Spring and Retainer Kits SUM-174001

Valve Springs, Retainers, Single Springs, Steel Retainers, Locks, Single Groove, Seals, Chevy Small Block, Kit

Part Number: SUM-174001

4.86 out of 5 stars ( 29 )

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BTR Beehive Valve Springs SP011-16

Valve Springs, Single, Beehive, 1.260 in. O.D., 285 lbs./in. Spring Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: BTC-SP011-16

4.86 out of 5 stars ( 7 )

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COMP Cams Valve Springs 911-16

Valve Springs, Single, 1.524 in. Outside Diameter, 373 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

Part Number: CCA-911-16

4.56 out of 5 stars ( 25 )

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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 )

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Summit Racing™ Steel Valve Spring Retainers SUM-174003-3

Valve Spring Retainers, Steel, Beehive, 7 Degree, Non LS, 11/32 in. 1.060 in. Outside Diameter, 0.640 in. Inside Diameter, Set of 16

Part Number: SUM-174003-3

5.0 out of 5 stars ( 10 )

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COMP Cams Valve Springs 26918-16

Valve Spring, Single, Beehive, 1.075 in./1.310 in. Outside Diameter, 372 lbs./in. Rate, 1.140 in. Coil Bind, Set of 16

Part Number: CCA-26918-16

4.93 out of 5 stars ( 28 )

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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 )

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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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Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits TFS-2500287P

Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit

Part Number: TFS-2500287P

5.0 out of 5 stars ( 2 )

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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 )

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COMP Cams Valve Springs 981-16

Valve Springs, Single, 1.254 in. Outside Diameter, 373 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: CCA-981-16

4.68 out of 5 stars ( 25 )

Estimated Ship Date: Today

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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 )

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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 )

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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 )

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Howards Cams Performance Valve Spring and Retainer Kits 98213-K12

Valve Spring and Retainer Kits, Performance, Single, Standard, 1.265 in. O.D., 430 lbs./in., 1.100in. Coil Bind Ht, 10 Degree Locks, Retainers, Kit

Part Number: HRS-98213-K12

4.5 out of 5 stars ( 6 )

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COMP Cams Steel Valve Spring Retainers 740-16

Valve Spring Retainer, Steel, 10 Degree, 1.437 in./1.500 in. Outside Diameter, .690 in. Inside Diameter, Set of 16

Part Number: CCA-740-16

4.56 out of 5 stars ( 18 )

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