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

Diamond Pistons Domestic Series Pistons 11671

SB Chevy DM 4.030B/1.425CD NS

Part Number: DPP-11671

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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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Crower Enduro Crankshafts E95137X4

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.50 in. Stroke, Chevy, 454, Each

Part Number: CRO-E95137X4

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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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Diamond Pistons Domestic Series Pistons 11118

SB Chevy FT 4.040B/1.488CD NS

Part Number: DPP-11118

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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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Diamond Pistons Domestic Series Pistons 11307

SB Chevy DM 4.130B/1.125CD NS

Part Number: DPP-11307

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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 11848

SBC 350/400 23° 4.155B/1.200CD

Part Number: DPP-11848

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Estimated Ship Date: May 11, 2026 if ordered today

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JE Pistons APBA 427 Pistons 265366S

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 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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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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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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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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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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Diamond Pistons Domestic Series Pistons 11193

SB Chevy FT 4.160B/1.125CD

Part Number: DPP-11193

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Small Block Chevy Nitrous Series Pistons 10308

SBC 23° Nitrous FT 4.125B/1.265CD

Part Number: DPP-10308

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11437

SB Chevy DS 4.060B/1.062CD NS

Part Number: DPP-11437

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Small Block 23 Degree Race Dome Series Pistons 11932

CH SB DM 4.125B/3.875S/6.000R/1.063CD

Part Number: DPP-11932

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Estimated Ship Date: May 11, 2026 if ordered today

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Dart Pro 1 Aluminum Cylinder Heads 19900112

Cylinder Head, Pro 1, Aluminum, Assembled, 110cc Chamber, 275cc Intake Runner, Chevy, Big Block, Each

Part Number: DRT-19900112

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Estimated Ship Date: Aug 3, 2026 if ordered today

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Roadster Shop SPEC Chassis Kits SP7387C10-C

Complete Chassis Kit, Full Chassis, SPEC, Coilover Suspension, IFS, Ford 9 in. Axle, Chevy, C10, Kit

Part Number: RSR-SP7387C10-C

5.0 out of 5 stars ( 1 )

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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JE Pistons 350/400 18 Degree Flat Top Pistons 181958

Pistons, 18 Degree, Forged, Flat Top, 2-Valve Reliefs, 4.130 in. Bore, 3.875 in. Stroke, 6.000 in. Rod, 1.062 in. Compression, Chevy, Set of 8

Part Number: JEP-181958

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Estimated Ship Date: Tomorrow if ordered today

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Optic Armor Oversized Formed Windows for 1978-1983 MALIBU - MAL782-2

WINDOWS, INDIVIDUAL MALIBU 78-83 1/8" Thick Left Door

Part Number: OAW-MAL782-2

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows for 1978-1983 MALIBU - MAL782-3

WINDOWS, INDIVIDUAL MALIBU 78-83 3/16" Thick Left Door

Part Number: OAW-MAL782-3

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT782-3T

WINDOWS, INDIVIDUAL OLDS CUTLASS 78-87 3/16" Thick Left Door LITE TINT

Part Number: OAW-CUT782-3T

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT782-4T

WINDOWS, INDIVIDUAL OLDS CUTLASS 78-87 1/4" Thick Left Door LITE TINT

Part Number: OAW-CUT782-4T

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT783-2T

WINDOWS, INDIVIDUAL OLDS CUTLASS 78-87 1/8" Thick Right Door LITE TINT

Part Number: OAW-CUT783-2T

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT783-3

WINDOWS, INDIVIDUAL OLDS CUTLASS 78-87 3/16" Thick Right Door

Part Number: OAW-CUT783-3

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Estimated Ship Date: Apr 15, 2026 if ordered today

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1978 Parts and Accessories