1978 Engines & Components - Customizable - Free Shipping on Orders Over $109 at Summit Racing

Crower Stainless Steel Shaft Mounted Rocker Arm Systems 74139F

Rocker Arms, Shaft Mount, Full Roller, Stainless Steel, Custom Ratio, Chevy, Small Block, Kit

Part Number: CRO-74139F

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Estimated Ship Date: Jul 16, 2026 if ordered today

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COMP Cams Custom Ground Camshaft Cores 35-000-11

COMP Cams Custom Ground Camshaft Cores 35-000-11

Camshaft Core, Custom Ground, Hydraulic Roller Tappet, Ford, Each

Part Number: CCA-35-000-11

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

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COMP Cams Custom Ground Camshaft Cores 11-000-11

Camshaft Core, Custom Ground, Hydraulic Roller Tappet, Chevy, Big Block, Each

Part Number: CCA-11-000-11

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

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KB Performance Claimer Pistons S9905HC.020

Piston, Hypereutectic, Dome, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9905HC-020

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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KB Performance Pistons SKB134.040

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB134-040

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Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1470.030

Piston, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1470-030

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Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

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JE Pistons Tour Series Gas Ported Pistons 170689

Pistons, 23 Degree GP, Forged, Flat Top, 2-Valve Reliefs, 4.030 in. Bore, 3.500 in. Stroke, 5.700 in. Rod, 1.550 in. Compression, Chevy, Set of 8

Part Number: JEP-170689

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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

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Silv-O-Lite Cast Pistons S1470.040

Piston, Cast, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1470-040

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Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1633.030

Piston, Cast, Dish, 4.087 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Each

Part Number: UEM-S1633-030

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Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11781

SB Chevy DM 4.145B/1.000CD

Part Number: DPP-11781

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Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

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JE Pistons APBA 427 Pistons 265366S

Piston, Forged, Dome, 2-Valve Reliefs, 4.310 in. Bore, 3.766 in. Stroke, 6.135 in. Rod, 1.765 in. Compression, Chevy, Each

Part Number: JEP-265366-1

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11211

SB Chevy FT 4.165B/1.000CD NS

Part Number: DPP-11211

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11832

SB Chevy DM 4.030B/1.265CD

Part Number: DPP-11832

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11806

SB Chevy DM 4.060B/1.125CD

Part Number: DPP-11806

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Small Block 15 Degree Brodix -12 Dome Series Pistons 11865

CH SB DM 4.160B/3.800S/6.000R/1.100CD N/

Part Number: DPP-11865

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Estimated Ship Date: May 11, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS65353D20-1

ESP BBC 6.535 ROD

Part Number: ESP-65353D20-1

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Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

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Crower Ultra Light Crankshafts UL95127

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95127

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Crower Standard Series Crankshafts 95122

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Each

Part Number: CRO-95122

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Crower Lightweight Crankshafts LW95129

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95129

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Crower Enduro Crankshafts E95136X4

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.375 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95136X4

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Crower Maxi-Light Crankshafts ML95128

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-ML95128

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 51027

MO 360 FT 4.030B/4.000S/6.123R/1.457CD

Part Number: DPP-51027

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11730

SB Chevy DM 4.125B/1.550CD NS

Part Number: DPP-11730

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Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11208

SB Chevy FT 4.130B/1.000CD NS

Part Number: DPP-11208

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Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11102

SB Chevy FT 4.035B/1.550CD

Part Number: DPP-11102

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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