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

Diamond Pistons Small Block 15 Degree Brodix -12 Dome Series Pistons 11854-8-H

350/400 15° 4.155B/1.125CD/Kit

Part Number: DPP-11854-8-H

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Big Block 24/26 Degree Street/Strip Flat Top Series Pistons 12041-8-H

396/454 24° 4.530B/1.395CD/Kit

Part Number: DPP-12041-8-H

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Domestic Series Pistons 11321-8

Diamond Pistons Domestic Series Pistons 11321-8

Domestic Series - 750HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11321-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Race Series Pistons 11420-8

Race Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11420-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Race Series Pistons 11426-8

Race Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-11426-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Big Block 24/26 Degree Pro Dome Series Pistons 12389-8

Domestic Series - 1000HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12389-8

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Big Block 24/26 Degree Pro Dome Series Pistons 12389-8-H

396/454 24° 4.530B/1.218CD/Kit

Part Number: DPP-12389-8-H

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons 12453-8-H

396/454 24° 4.600B/1.218CD/Kit

Part Number: DPP-12453-8-H

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Diamond Pistons Big Block 24/26 Degree Street/Strip Dish Series Pistons 12457-8-H

396/454 24° 4.560B/1.245CD/Kit

Part Number: DPP-12457-8-H

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

DeWitts LS Modified Pro-Series Radiator Modules 32-6239019M

Radiator Module, LS Modified, Dual Fan, Aluminum, Black, Manual Transmission, Chevy, Each

Part Number: DWR-6239019M

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Dana Spicer Drivetrain Products Differential Carriers 707130X

Differential Case Assembly Kit

Part Number: SDH-707130X

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Scat Engine Rotating Assemblies 1-90455

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-90455

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Engine Rotating Assemblies 1-90460BI-060

COMPLETE ROTATING ASSY

Part Number: SCA-1-90460BI060

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Engine Rotating Assemblies 1-90500BI

Engine Rotating Assembly, Series 9000, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-90500BI

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Engine Rotating Assemblies 1-90505BI-040

ROTATING ASSEMBLY

Part Number: SCA-1-90505BI040

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scorpion Endurance Series Shaft Mount Rocker Arm Kits SCP3500

Shaft Rocker Arms, Endurance Series, Full Roller, 1.5 Ratio, Aluminum, .200 in. Offset, Chevy

Part Number: SCC-SCP3500

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Scorpion Endurance Series Shaft Mount Rocker Arm Kits SCP3508

Shaft Rocker Arms, Endurance, Full Roller, 1.5/1.6 Ratio, Aluminum, .200 in. Offset, Chevy

Part Number: SCC-SCP3508

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Scorpion Endurance Series Shaft Mount Rocker Arm Kits SCP3519

1.5-I/1.6-E SBC 23* Head Shaft Mount Endurance Set of 16

Part Number: SCC-SCP3519

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Diamond Pistons Big Block Brodix Head Hunter MC Series Pistons 12528-8

Brodix Head Hunter MC Series - 1200HP Rated - 2618 Material - Includes Pins and Rings

Part Number: DPP-12528-8

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

March Performance Sport Track Chevy Serpentine Pulley Kits 21650-08

Pulleys, Sport Track, Serpentine, Standard Ratio, Billet Aluminum, Black Powdercoated, Chevy, Small Block, Kit

Part Number: MCH-21650-08

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Ultimate Headers 321 Stainless Steel Headers 101032

Headers, Block-Hugger, Stainless Steel, Satin Finish, Slight Offset Center Exit, Chevy, Pair

Part Number: JBC-101032

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

Ultimate Headers 321 Stainless Steel Headers 101033

Headers, Block-Hugger, Stainless Steel, Polished, Slight Offset Center Exit, Chevy, Pair

Part Number: JBC-101033

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

Ultimate Headers 321 Stainless Steel Headers 101034

Headers, Block-Hugger, Stainless Steel, Silver Ceramic Coated, Slight Offset Center Exit, Chevy, Pair

Part Number: JBC-101034

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

Ultimate Headers 321 Stainless Steel Headers 101062

Headers, LS Engine Swap, Mid-Length, Stainless Steel, Satin Finish, Chevy, Pair

Part Number: JBC-101062

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

Ultimate Headers 321 Stainless Steel Headers 101022

Headers, LS Engine Swap, Mid-Length, Stainless Steel, Satin Finish, Chevy, Pontiac, Pair

Part Number: JBC-101022

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

1978 Parts and Accessories