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

KB Performance Pistons SKB129.020

Piston, Hypereutectic, Dome, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB129-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB198.020

Piston, Hypereutectic, Flat, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB198-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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CA Center Armrests for 1978 CORVETTE - 414948E

1978-1978 Chevrolet Corvette Center Armrest With Embroidered C3 Cross Flags - Dark Blue

Part Number: MMU-414948E

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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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KB Performance Pistons SKB126.040

Piston, Hypereutectic, Dish, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB126-040

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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 SKB320.060

Piston, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB320-060

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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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Silv-O-Lite Cast Pistons S1168.75MM

Piston, Cast, Dome, 78.75mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Mazda, L4, Each

Part Number: UEM-S1168-75MM

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Silv-O-Lite Cast Pistons S3163.020

Piston, Cast, Dish, 3.920 in. Bore, 5/64 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3163-020

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB202.060

Piston, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-060

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB246.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB246-030

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

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ICON FHR Series Pistons SIC9953.030

Pistons, FHR, Forged 4032 Aluminum, 4.350 in. Bore, 3.750 in. Stroke, Flat Top, Dodge, Big Block, RB, Each

Part Number: UEM-SIC9953-030

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Optic Armor Oversized Formed Windows for 1978-1983 MALIBU - MAL783-2

Optic Armor Oversized Formed Windows for 1978-1983 MALIBU - MAL783-2

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

Part Number: OAW-MAL783-2

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Optic Armor Oversized Formed Windows for 1978-1988 REGAL - UNI002-2T

WINDOWS, INDIVIDUAL Buick Regal 78-88 1/8" Thick Left Door LITE TINT

Part Number: OAW-UNI002-2T

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

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Diamond Pistons Small Block 23 Degree Race Dome Series Pistons 11920

CH SB DM 4.040B/3.750S/6.000R/1.125CD

Part Number: DPP-11920

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11321

SB Chevy DM 4.125B/1.000CD NS

Part Number: DPP-11321

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Small Block 15 Degree Brodix -12 Dome Series Pistons 11862

CH SB DM 4.135B/3.800S/6.000R/1.100CD N/

Part Number: DPP-11862

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11300

SB Chevy DM 4.030B/1.250CD NS

Part Number: DPP-11300

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52430

MO BB DS 4.380B/4.250S/6.768R/1.815CD N/

Part Number: DPP-52430

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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 11845

SBC 350/400 23° 4.040B/1.200CD

Part Number: DPP-11845

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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 11875

CH SB DM 4.165B/3.875S/6.000R/1.062CD N/

Part Number: DPP-11875

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Small Block 23 Degree ASCS/USMTS Dome Series Pistons 11942

CH SB ASCS/USMTS DM 4.135B/3.335S/6.000R

Part Number: DPP-11942

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11434

SB Chevy DS 4.060B/1.125CD NS

Part Number: DPP-11434

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11685

SB Chevy DM 4.020B/1.250CD NS

Part Number: DPP-11685

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11765

SB Chevy DM 4.125B/1.125CD

Part Number: DPP-11765

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11427

SB Chevy DS 4.035B/1.125CD

Part Number: DPP-11427

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52031

MM BB FT 4.360B/4.250S/7.100R/1.480CD N/

Part Number: DPP-52031

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Estimated Ship Date: May 11, 2026 if ordered today

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1978 Parts and Accessories