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

Diamond Pistons Domestic Series Pistons 52415

MO BB DS 4.350B/4.150S/6.768R/1.865CD

Part Number: DPP-52415

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11206

SB Chevy FT 4.165B/1.062CD NS

Part Number: DPP-11206

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52438

MO BB DS 4.360B/4.150S/6.800R/1.780CD N/

Part Number: DPP-52438

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Diamond Pistons Race Series Pistons 11442

SBC 23° Race DS 4.040B/1.125CD

Part Number: DPP-11442

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11429

SB Chevy DS 4.125B/1.125CD NS

Part Number: DPP-11429

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52429

MO BB DS 4.375B/4.250S/6.768R/1.815CD

Part Number: DPP-52429

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Diamond Pistons Small Block 23 Degree Race Dome Series Pistons 11935

CH SB DM 4.165B/3.875S/6.000R/1.063CD

Part Number: DPP-11935

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Diamond Pistons Domestic Series Pistons 11303

SB Chevy DM 4.060B/1.250CD NS

Part Number: DPP-11303

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Diamond Pistons Domestic Series Pistons 11202

SB Chevy FT 4.125B/1.062CD NS

Part Number: DPP-11202

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Eagle H-Beam Connecting Rods CRS6250B3D-1

Connecting Rod, ESP 4340 H-Beam, Cap Screw, Bushed, Chevy, Small Block, Each

Part Number: ESP-6250B3D-1

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Estimated Ship Date: May 27, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-35062502100-1

Rod Chevy Pro Sport H-Beam Arp 8740 7/16 Cap Screws 6.250 Lgt 2.100 Jrnl .927 Pin.940, 2-35062502100-1

Part Number: SCA-6625021-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-46066052500A-1

Rod Ford Pro Sport H-Beam Arp 2000 7/16 Cap Screws 6.605 Lgt 2.500 Jrnl 1.040 Pin.995, 2-46066052500A-1

Part Number: SCA-66605A-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-35060002100QL-1

Rod Chevy Pro Sport H-Beam Arp 2000 3/8 Cap Screws 6.000 Lgt 2.100 Jrnl .927 Pin.940, 2-35060002100QL-1

Part Number: SCA-66000214-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Scat Pro Sport H-Beam Connecting Rods 2-35162002311927A-1

Rod Ford Pro Sport H-Beam Arp 2000 7/16 Cap Screws 6.200 Lgt 2.311 Jrnl .927 Pin.830, 2-35162002311927A-1

Part Number: SCA-66200A-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS67003DL19-1

Connecting Rods, 4340 Steel, H-Beam, 6.700 in., Cap Screw, Bushed, Chevy, Ford, Big Block, Each

Part Number: ESP-67003DL19-1

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Estimated Ship Date: May 27, 2026 if ordered today

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ICON Premium Forged Pistons SIC981L.040

Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 4.250 in. Stroke, Dish, Left Side, Pontiac, Each

Part Number: UEM-SIC981L-040

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981L.065

Pistons, Premium, Forged 2618 Aluminum, 4.190 in. Bore, 4.250 in. Stroke, Dish, Left Side, Pontiac, Each

Part Number: UEM-SIC981L-065

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981L.075

Pistons, Premium, Forged 2618 Aluminum, 4.200 in. Bore, 4.250 in. Stroke, Dish, Left Side, Pontiac, Each

Part Number: UEM-SIC981L-075

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981R.065

Pistons, Premium, Forged 2618 Aluminum, 4.190 in. Bore, 4.250 in. Stroke, Dish, Right Side, Pontiac, Each

Part Number: UEM-SIC981R-065

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981R.STD

Pistons, Premium, Forged 2618 Aluminum, 4.125 in. Bore, 4.250 in. Stroke, Dish, Right Side, Pontiac, Each

Part Number: UEM-SIC981R-STD

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981R.030

Pistons, Premium, Forged 2618 Aluminum, 4.155 in. Bore, 4.250 in. Stroke, Dish, Right Side, Pontiac, Each

Part Number: UEM-SIC981R-030

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1634.020

Piston, Cast, Dish, 3.520 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Each

Part Number: UEM-S1634-020

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Silv-O-Lite Cast Pistons S1634.030

Piston, Cast, Dish, 3.530 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Each

Part Number: UEM-S1634-030

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Silv-O-Lite Cast Pistons S1634.040

Piston, Cast, Dish, 3.540 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Oldsmobile, V8, Each

Part Number: UEM-S1634-040

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S1749H.060

Piston, Hypereutectic, Dish, 3.860 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1749H-060

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Estimated Ship Date: Apr 20, 2026 if ordered today

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1978 Parts and Accessories