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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.

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Individual Parts

Results 1 - 25 of 2000 +

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

4.79 out of 5 stars ( 28 )

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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 ( 9 )

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

Part Number: TFS-2500286P

3.47 out of 5 stars ( 15 )

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

Part Number: TFS-2500100

4.7 out of 5 stars ( 63 )

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

Part Number: SUM-174001

4.72 out of 5 stars ( 32 )

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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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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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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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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

4.88 out of 5 stars ( 8 )

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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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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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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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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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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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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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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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Valve Spring and Retainer Kits, Single, Std., 1.514 in. O.D., 348 lbs./in., 0.375 in. Dia. Valve Stem, Retainers, 10-Degree Locks, Damper Spring, Kit

Part Number: HRS-98636-K32

4.57 out of 5 stars ( 7 )

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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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Valve Spring Retainers, Steel, 7 Degree, 1.055 in. Outside Diameter, .640 in. Inside Diameter, Set of 16

Part Number: CCA-787-16

4.84 out of 5 stars ( 37 )

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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 ( 12 )

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Valve Spring Retainers, Steel, 10 Degree, 1.550 in. Outside Diameter, .690 in. Inside Diameter, Set of 16

Part Number: CCA-741-16

4.61 out of 5 stars ( 28 )

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Valve Springs, Beehive, 1.290 in. O.D., 375 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16

Part Number: NAL-19420455

3.75 out of 5 stars ( 4 )

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Pro LS Valve Springs, Drop in, 0.630 Max Lift, Single Beehive, 1.3 in. O.D., 340 lbs./in. Spring Rate, 1.8 in. Installed Height, Set of 16

Part Number: SUM-174005

5.0 out of 5 stars ( 3 )

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Valve Springs, Beehive, Single, 0.550 in. Maximum Valve Lift, 372 lbs./in. Spring Rate, 1.280 in. Coil Bind Height, Set of 16

Part Number: BTC-BTR9112016

5.0 out of 5 stars ( 1 )

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