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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.

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Individual Parts

Results 1 - 25 of 1070

Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 5.700 in. Length, 550 HP, Chevy, Small Block, Set of 8

Part Number: SUM-180371B

4.59 out of 5 stars ( 17 )

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Pro SBC Stage 4 Hyd. Roller Cam, 224/232 Dur. 112 LSA + 2 Adv, .550/.540 1.5 Ratio, .587/.576 1.6 Ratio, 2000-6500 RPM Range, 87-02 Gen 1 Roller Block

Part Number: SUM-8803

5.0 out of 5 stars ( 6 )

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Freeze Plugs, Steel, 1 5/8 in. Diameter, Set of 10

Part Number: RNB-550-023

4.33 out of 5 stars ( 3 )

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Summit B303 Plus Hyd. Roller Cam, 224/232 Duration, 114 LSA + 3 Adv, .550/.540 1.6 Ratio, .585/.574 1.7 Ratio, 2800-6300 Range, '85-1996 Roller Block

Part Number: SUM-8901

5.0 out of 5 stars ( 4 )

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Stage 3 Pro LS Truck Swap Cam, 222/232 112+5, .550/.550 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2L LS1 LS2 LS6 LS3 LS7 LS9 LSA LQ4 LQ9 LH6 LM7, Each

Part Number: SUM-8713R1

4.92 out of 5 stars ( 13 )

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Timing Pointer, Steel, Chrome, Chevy, GMC, Big Block, Each

Part Number: RNB-635-550

1.67 out of 5 stars ( 3 )

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Big Nasty 5/4 Race Cam for LS, SUM-174002 .550 lift springs required. Pushrods or Flycutting not required. ALL the CHOP...tuning required.

Part Number: SUM-8733R1

5.0 out of 5 stars ( 7 )

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Engine Expansion Plugs, Steel, 0.750 in. Diameter, 0.750 in. Height, International, Set of 10

Part Number: RNB-550-007

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Connecting Rods, 4340, I-Beam, 12-Point, Cap Screw, 5.700 in. Length, 550 HP, Chevy, Small Block, Set of 8

Part Number: SUM-180371P

3.67 out of 5 stars ( 6 )

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Summit F303 Plus Hyd. Roller Cam, 226/234 Duration, 114 LSA + 4 Adv, .550/.540 1.6 Ratio, .585/.574 1.7 Ratio, 3000-6500 Range, '85-1996 Roller Block

Part Number: SUM-8902

5.0 out of 5 stars ( 3 )

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Stage 1 Pro LS Truck Swap Cam, High-Lift version, 209/217 112 + 1 .550/.550 Lift, 3-bolt, 4.8-6.2L, LQ4 LQ9 LY6 LS1 LS2 LY6 LS6 LS7 LS9 LH6, Each

Part Number: SUM-8719R1

4.67 out of 5 stars ( 9 )

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Dipstick with Tube, Engine, Steel, Chrome, Chevy, Small Block, Each

Part Number: PRO-141-550

4.67 out of 5 stars ( 3 )

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Concave Steel Cup Expansion Plug 2-1/8 In., Height 2.120 In.

Part Number: RNB-550-030

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Cam and Lifter kit, Summit E303 Plus Hyd. Roller Cam, 220/231 Duration, 113 LSA + 0 Adv, .550/.540 1.6 Ratio, 2500-6000 Range, 85-1996 Roller Block

Part Number: SUM-K8900

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Pro SBC Retrofit Stage 3 Hyd. Roller LS Firing Order Cam, 224/232 Dur., 110 LSA + 2 Adv, .550/.540 1.5 Ratio, .587.576 1.6 Ratio, 2000-6300 RPM Range

Part Number: SUM-1223

5.0 out of 5 stars ( 6 )

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Adapter, Oil Filter, Bolt-On, Aluminum, Black, 13/16-16 in. Filter Thread, 1/2 in. NPT Inlet/Outlet, Each

Part Number: CTR-22-550

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Pro SBC Retrofit Stage 4 Hyd.Roller LS Firing Order Cam, 232/242 Dur., 110 LSA + 3 Adv, .550/.550 1.5 Ratio, .587/.587 1.6 Ratio, 2200-6400 RPM Range

Part Number: SUM-1224

5.0 out of 5 stars ( 2 )

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Valve Springs, Single, 1.295/1.309 in. Diameter, 67-77 lbs. Seat Pressure, 1.220 in. Coil Bind Height, Each

Part Number: MEL-VS-550

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Oil Pan, Stock, Steel, Black Painted, Suzuki, Grand Vitara, XL-7, 2.5L, 2.7L, Each

Part Number: RNB-264-550

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Cam and Lifter kit, Pro SBC Stage 4 Hyd. Roller Cam, 224/232 Dur. 112 LSA + 2 Adv, .550/.540 1.5 Ratio, 2000-6500 RPM Range, 87-02 Gen 1 Roller Block

Part Number: SUM-K8803

4.0 out of 5 stars ( 2 )

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Engine Expansion Plugs, Steel, 3.00 in. Diameter, Chevy, GMC, Set of 10

Part Number: RNB-550-034

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Cam and Lifter kit, Pro SBC Retrofit Stage 3 Hyd. Roller LS Firing Order, 224/232 Dur., 110 LSA + 2 Adv, .550/.540 1.5 Ratio, 2000-6300 RPM Range

Part Number: SUM-K1223

Not Yet Reviewed

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KIT-ENGINE VALVE ROCKER ARM

Part Number: MEL-MRK-550-2

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.030 in. Outside Diameter, .640 in. Inside Diameter, Chevy, LS, Set of 16

Part Number: EW1-550-16

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