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

Optic Armor Oversized Formed Windows for 1978-1988 MONTE CARLO - MON782-3

Optic Armor Oversized Formed Windows for 1978-1988 MONTE CARLO - MON782-3

WINDOWS, INDIVIDUAL MONTE CARLO 78-88 3/16" Thick Left Door

Part Number: OAW-MON782-3

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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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Silv-O-Lite Hypereutectic Pistons S1749H.020

Piston, Hypereutectic, Dish, 3.820 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1749H-020

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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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KB Performance Pistons SKB346.040

Piston, Hypereutectic, Dish, 4.160 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Pontiac, V8, Each

Part Number: UEM-SKB346-040

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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 Race Series Pistons 11435

SINGLE PISTON

Part Number: DPP-11435

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11652

SINGLE PISTON

Part Number: DPP-11652

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Estimated Ship Date: Apr 28, 2026 if ordered today

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Callies Compstar Connecting Rods A6000DS2A2AH-UW

Connecting Rod, Compstar, Forged 4340 Steel, H-Beam, 6.000 in. Length, ARP 2000, Cap Screw, Chevy, Small Block, Each

Part Number: CPI-6000DS2A2AH1

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Estimated Ship Date: Jun 10, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11329

SB Chevy DM 4.130B/1.062CD NS

Part Number: DPP-11329

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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 11839

SBC 23° Nitrous DM 4.155B/1.265CD

Part Number: DPP-11839

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11712

SB Chevy DM 4.060B/1.000CD

Part Number: DPP-11712

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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 Domestic Series Pistons 11323

SB Chevy DM 4.135B/1.000CD NS

Part Number: DPP-11323

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Estimated Ship Date: May 8, 2026 if ordered today

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Coverking Neoprene Custom Seat Covers NEOPREALTREE

Seat Covers, Neoprene, Bench Seat Sold Individually, Bucket Seats Sold as a Pair

Part Number: CVK-NEOPREALTREE

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Diamond Pistons 23 Degree Nitrous Dome Series Pistons 11841

SB Chevy DM 4.125B/1.140CD

Part Number: DPP-11841

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Estimated Ship Date: May 11, 2026 if ordered today

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Optic Armor Oversized Formed Windows for 1978-1983 MALIBU - MAL783-3

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

Part Number: OAW-MAL783-3

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11313

SB Chevy DM 4.130B/1.100CD NS

Part Number: DPP-11313

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52009

MO BB FT 4.360B/4.150S/6.768R/1.865CD

Part Number: DPP-52009

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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 11881

CH SB DM 4.130B/4.000S/6.000R/1.000CD N/

Part Number: DPP-11881

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Buick 231 Forced Induction Dish Series Pistons 21403

Buick 231 DS 3.840B/1.850CD

Part Number: DPP-21403

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11452

SBC 23° Race DS 4.165B/1.062CD

Part Number: DPP-11452

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52448

MO BB DM 4.375B/3.750S/6.768R/2.065CD

Part Number: DPP-52448

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11779

SB Chevy DM 4.165B/1.062CD

Part Number: DPP-11779

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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 Domestic Series Pistons 52013

MM BB FT 4.380B/4.150S/6.768R/1.865CD

Part Number: DPP-52013

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11770

SB Chevy DM 4.125B/1.100CD NS

Part Number: DPP-11770

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 52460

MO BB DS 4.350B/4.250S/7.100R/1.480CD N

Part Number: DPP-52460

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11330

SB Chevy DM 4.165B/1.062CD NS

Part Number: DPP-11330

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11641

SB Chevy DM 4.040B/1.665CD NS

Part Number: DPP-11641

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Estimated Ship Date: May 11, 2026 if ordered today

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1978 Parts and Accessories