Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Diamond Pistons LT2K Series Pistons 21603-RS-8

Pistons, Flat Top, LT2K Series, Forged Aluminum, 4.065 in. Bore, +10.00cc Head Volume, Chevy, LT1/LT4, Set of 8

Part Number: DPP-21603-RS-8

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Diamond Pistons Domestic Series Pistons 30702-8

Diamond Pistons Domestic Series Pistons 30702-8

Modern Muscle Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30702-8

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-429-4300-6700-2200

Forged 4340 Standard Weight

Part Number: SCA-44294300

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

COMP Cams Magnum Hydraulic Roller Cam and Lifter Kits K35-410-8

Cam/Lifter, Valvetrain, Hydraulic Roller Tappet, Advertised Duration 260/260, Lift .533/.533, Ford, 5.0L, Kit

Part Number: CCA-K35-410-8

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Eagle Street Performance Rotating Assemblies with Silv-O-Lite Claimer Pistons B15404L06068

Engine Rotating Assembly, Street, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B15404L06068

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

PROMAXX Performance Project X Small Block Ford Cylinder Heads 9205

Cylinder Heads, Project X, Aluminum, Bare, 56cc Chamber, 210cc Intake Runner, Ford, Small Block, Pair

Part Number: PMX-9205

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Scat F43 Series Crankshafts 4-350-3562-5850-20LW

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435041LW

Not Yet Reviewed

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Crower Stud Mount Late Model Rocker Arms 73655-16

Rocker Arms, 3/8 in. Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Dodge, 5.2, 5.9L, Set of 16

Part Number: CRO-73655-16

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Diamond Pistons Domestic Series Pistons 30705-8

Modern Muscle Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30705-8

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Howards Cams Camshaft Kits CL723235-12

CAM LIFTER KIT

Part Number: HRS-CL723235-12

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Manley Titanium Valves 11954H-8

VALVE-TI 2.350,+.350 HT MATERIAL

Part Number: MAN-11954H-8

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Manley Titanium Valves 11922T-8

TITANIUM VALVE

Part Number: MAN-11922T-8

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

S&S Cycle 97 in. Big Bore Kits 910-0205

Top End Engine Kit, 97 in. Big Bore, Black Wrinkle Finish, Forged Pistons, Gaskets, Harley-Davidson®, Kit

Part Number: SSY-910-0205

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

COMP Cams XFI XE-R Cam and Lifter Kits K54-448-11

Camshaft, Lifters, Hydraulic Roller Tappet, Adv. Duration 287/289, Lift .605/.609 in., Chevy, Small Block, Kit

Part Number: CCA-K54-448-11

Not Yet Reviewed

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

COMP Cams XFI XE-R Cam and Lifter Kits K54-444-11

Cam and Lifters, Hydraulic Roller Tappet, Advertised Duration 273/279, Lift .581/.588, Chevy, Kit

Part Number: CCA-K54-444-11

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-460-4300-6700-2200

Crankshaft, Forged 4340 Steel, Std. Weight, 4.30 in. Stroke, Ford, 460, Internal Balance, Each

Part Number: SCA-44604300

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

COMP Cams Xtreme Energy Cam and Lifter Kits SK11-771-8

Camshaft Kits, Xtreme Energy Cam and Lifter Kits, Solid Roller, Retro-fit, Advertised Duration 280/286, Lift 0.646/0.653, Chevy, GMC, Big Block, Kit

Part Number: CCA-SK11-771-8

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits SK11-433-8

Cam/Lifters/Timing, Hydraulic Roller Tappet, Advertised Duration 288/294, Lift .521/.540, Chevy, Big Block, Kit

Part Number: CCA-SK11-433-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits SK11-422-8

Cam/Lifters/Timing, Hydraulic Roller Tappet, Advertised Duration 270/276, Lift .510/.510, Chevy, Big Block, Kit

Part Number: CCA-SK11-422-8

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

COMP Cams Xtreme Energy Retrofit Camshafts 11-422-8

5 out of 5 stars ( 3 )

Estimated Ship Date: Today

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S&S Cycle Powersports Lifters 33-5451

HYDRAULIC LIFTER UPDATE KIT

Part Number: SSY-33-5451

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

COMP Cams Magnum Solid Roller Cam and Lifter Kits CL34-700-9

Cam and Lifters, Mechanical Roller Tappet, Advertised Duration 280/280, Lift .634/.634, Ford, 429-460, Each

Part Number: CCA-CL34-700-9

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

Harland Sharp Heavy-Duty Roller Rockers S70026KE

Rocker Arms, Heavy-Duty Roller, Shaft Mount, 1.6 Ratio, Full Roller, Aluminum, Standard Body, Orange Anodized, Mopar, Small Block, Kit

Part Number: CSP-S70026KE

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13554L060

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, 5.7L, Kit

Part Number: ESP-13554L060

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies 13201030

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-13201030

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Manley Titanium Valves 11482T-8

Valves, Intake, Titanium, 2.300 in. Diameter, .342 in. Stem, 5.540 in. Length, Set of 8

Part Number: MAN-11482T-8

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today