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

Optic Armor Oversized Formed Windows CUT784-4T

Optic Armor Oversized Formed Windows CUT784-4T

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

Part Number: OAW-CUT784-4T

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT785-2T

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

Part Number: OAW-CUT785-2T

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Optic Armor Oversized Formed Windows CUT785-3

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

Part Number: OAW-CUT785-3

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Ross Racing Forged Pistons W90014R

Piston, Forged, Dome, 4.165 in. Bore, Chevy, Each

Part Number: ROS-W90014R

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ross Racing Forged Pistons W90451R

Piston, Forged, Dome, 4.030 in. Bore, Chevy, Each

Part Number: ROS-W90451R

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Estimated Ship Date: Apr 13, 2026 if ordered today

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ICON Premium Forged Pistons SIC981L.030

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

Part Number: UEM-SIC981L-030

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1526.030

Piston, Cast, Flat, 4.150 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Each

Part Number: UEM-S1526-030

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1527.STD

Piston, Cast, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Each

Part Number: UEM-S1527-STD

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1526.STD

Piston, Cast, Flat, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Each

Part Number: UEM-S1526-STD

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Estimated Ship Date: Apr 20, 2026 if ordered today

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KB Performance Pistons SKB346.STD

Piston, Hypereutectic, Dish, 4.120 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac, V8, Each

Part Number: UEM-SKB346-STD

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Estimated Ship Date: Apr 20, 2026 if ordered today

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ICON Premium Forged Pistons SIC981L.070

Pistons, Premium, Forged 2618 Aluminum, 4.195 in. Bore, 4.250 in. Stroke, Dish, Left Side, Pontiac, Each

Part Number: UEM-SIC981L-070

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Estimated Ship Date: Apr 20, 2026 if ordered today

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CA Seat Cover Upholstery for 1975-1978 CORVETTE - 419820E

Seat Cover Upholstery, Front Bucket, Leather, Black, Chevrolet, Pair

Part Number: MMU-419820E

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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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CA Seat Cover Upholstery for 1975-1978 CORVETTE - 419855E

1976-1978 Chevrolet Corvette Embroidered 100% Leather Seat Covers - Dark Brown

Part Number: MMU-419855E

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Estimated Ship Date: May 4, 2026 if ordered today

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CA Seat Cover Upholstery for 1978 CORVETTE - 420162E

1978-1978 Chevrolet Corvette Embroidered OE Style Seat Covers - Slvr Pc Leather/Vinyl With 4" Bolster

Part Number: MMU-420162E

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Estimated Ship Date: May 4, 2026 if ordered today

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CA Center Armrests for 1978 CORVETTE - 414950E

1978-1978 Chevrolet Corvette Center Armrest With Embroidered C3 Cross Flags - Doeskin

Part Number: MMU-414950E

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Estimated Ship Date: May 4, 2026 if ordered today

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CA Center Armrests for 1968-1978 CORVETTE - 414920E

Armrest, Center, Base and Pad Armrest Part Type, Leather, Black, Features Embroidered C3 Cross Flags, Chevrolet, Each

Part Number: MMU-414920E

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Estimated Ship Date: May 4, 2026 if ordered today

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CA Seat Cover Upholstery for 1975-1978 CORVETTE - 419720E

1976-1978 Chevrolet Corvette Embroidered OE Style Seat Covers - Black Leather/Vinyl

Part Number: MMU-419720E

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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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Diamond Pistons Domestic Series Pistons 52401

MO BB DS 4.350B/3.750S/6.768R/2.065CD

Part Number: DPP-52401

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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 Small Block 15 Degree Brodix -12 Dome Series Pistons 11886

CH SB DM 4.135B/4.000S/6.000R/1.000CD N/

Part Number: DPP-11886

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Estimated Ship Date: May 8, 2026 if ordered today

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Manley Pro Series I-Beam Connecting Rods 14173-1

Connecting Rod, 4340 I-Beam, Cap Screw, Bushed, 6.800 in. Length, Chevy, Big Block, Each

Part Number: MAN-14173-1

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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Crower Enduro Crankshafts E95125X4

Crankshaft, Enduro, 3.750 in. Stroke, Custom Balance, Forged 4340 Steel, 2-piece Rear Main Seal Style, Chevy

Part Number: CRO-E95125X4

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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 11156

SB Chevy FT 4.030B/1.000CD

Part Number: DPP-11156

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11834

SBC 23° Nitorus DM 4.060B/1.265CD

Part Number: DPP-11834

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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 11861

CH SB DM 4.130B/3.800S/6.000R/1.100CD N/

Part Number: DPP-11861

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Estimated Ship Date: May 8, 2026 if ordered today

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Manley Pro Series I-Beam Connecting Rods 14266-1

SINGLE CONNECTING ROD

Part Number: MAN-14266-1

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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1978 Parts and Accessories