1991 - Customizable - Free Shipping on Orders Over $109 at Summit Racing

KB Performance Pistons SKB121.040

Piston, Hypereutectic, Dish, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB121-040

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB122.040

Piston, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB122-040

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KB Performance Pistons SKB135.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB135-030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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KB Performance Pistons SKB136.020

Piston, Hypereutectic, Dome, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB136-020

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KB Performance Pistons SKB138.STD

Piston, Hypereutectic, Dish, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB138-STD

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KB Performance Pistons SKB142.040

Piston, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB142-040

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KB Performance Pistons SKB144.030

Piston, Hypereutectic, Dome, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB144-030

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KB Performance Pistons SKB197.STD

Piston, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB197-STD

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Ross Racing Forged Pistons W94456L

PISTON LEFT

Part Number: ROS-W94456L

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Optic Armor Motorcycle Replacement Windshields OA-PRE96-FLHT-12

Optic Armor Motorcycle Replacement Windshields OA-PRE96-FLHT-12

Windshield, Replacement, Front Low Height, 12 in Height, Clear, Polycarbonate, Harley-Davidson®, Each

Part Number: OAW-S1064

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

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KB Performance Pistons SKB218.STD

Piston, Hypereutectic, Flat, 3.780 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB218-STD

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Estimated Ship Date: Apr 17, 2026 if ordered today

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KB Performance Pistons SKB218.030

Piston, Hypereutectic, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB218-030

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3156HC.75MM

Piston, Hypereutectic, Dish, 101.15mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Each

Part Number: UEM-S3156HC-75MM

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3156HC.1.0MM

Piston, Hypereutectic, Dish, 101.4mm Bore, 1.6mm, 1.75mm, 3.5mm Ring Grooves, Ford, V6, Each

Part Number: UEM-S3156HC10MM

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3128HC.STD

Piston, Hypereutectic, Dish, 96.8mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Lincoln, Mercury, V6, Each

Part Number: UEM-S3128HC-STD

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3128HC.1.5MM

Piston, Hypereutectic, Dish, 98.3mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Lincoln, Mercury, V6, Each

Part Number: UEM-S3128HC15MM

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3181HC.75MM

Piston, Hypereutectic, Dish, 97.55mm Bore, 1.5mm, 1.5mm, 4.0mm Ring Grooves, Ford, Mercury V6, Each

Part Number: UEM-S3181HC-75MM

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11446

SBC 23° Race DS 4.060B/1.062CD

Part Number: DPP-11446

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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 11847

SBC 350/400 23° 4.125B/1.200CD

Part Number: DPP-11847

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11428

SB Chevy DS 4.040B/1.125CD

Part Number: DPP-11428

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11315

SB Chevy DM 4.145B/1.100CD NS

Part Number: DPP-11315

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Estimated Ship Date: May 8, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11451

SBC 23° Race DS 4.155B/1.062CD

Part Number: DPP-11451

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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 11836

SBC 23° Nitrous DM 4.040B/1.140CD

Part Number: DPP-11836

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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 11844

SBC 350/400 23° 4.030B/1.200CD

Part Number: DPP-11844

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Estimated Ship Date: May 11, 2026 if ordered today

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Diamond Pistons Race Series Pistons 11449

SBC 23° Race DS 4.165B/1.125CD

Part Number: DPP-11449

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Estimated Ship Date: May 11, 2026 if ordered today

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1991 Parts and Accessories