1991 CHEVROLET | Summit Racing

ICON Premium Forged Pistons SIC978R.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.875 in. Stroke, Flat Top, Right Side, Chevy, Small Block, Each

Part Number: UEM-SIC978R-040

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ICON Premium Forged Pistons SIC991.125

Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Each

Part Number: UEM-SIC991-125

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ICON Premium Forged Pistons SIC971L.030

Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 3.480 in. Stroke, Flat Top, Left Side, Chevy, Small Block, Each

Part Number: UEM-SIC971L-030

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ICON FHR Series Piston and Ring Kits SIC9961.030

Pistons, FHR Forged, 4.030 in. Bore, Flat, 1.125 in. Comp. Height, Press/Float Pin, 1/16 x 1/16 x 3/16 Ring Grooves, with Rings, Chevy, V8, Each

Part Number: UEM-SIC9961030

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KB Performance Pistons SKB164.040

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

Part Number: UEM-SKB164-040

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KB Performance Pistons SKB121.030

Piston, Hypereutectic, Dish, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB121-030

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ICON Premium Forged Pistons SIC978L.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.875 in. Stroke, Flat Top, Left Side, Chevy, Small Block, Each

Part Number: UEM-SIC978L-040

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KB Performance Claimer Pistons S9908HC.STD

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-STD

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ICON Premium Forged Pistons SIC605R.040

Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.562 in. Stroke, Dome, Right Side, Chevy, Small Block, Each

Part Number: UEM-SIC605R-040

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Silv-O-Lite Cast Pistons S3488.030

Piston, Cast, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3488-030

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Silv-O-Lite Cast Pistons S3513.030

Piston, Cast, Dish, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S3513-030

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Silv-O-Lite Cast Pistons S3445.STD

Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, Each

Part Number: UEM-S3445-STD

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KB Performance Claimer Pistons S9902HC.020

Piston, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9902HC-020

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ICON Premium Forged Pistons SIC976L.STD

Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each

Part Number: UEM-SIC976L-STD

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ICON FHR Series Pistons SIC9957.004

Pistons, FHR, Forged 4032 Aluminum, 4.504 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each

Part Number: UEM-SIC9957-004

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KB Performance Pistons SKB118.040

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

Part Number: UEM-SKB118-040

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ICON FHR Series Custom Order Pistons SIC9926.030

Custom Order Piston, ICON FHR, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, 3.750 in. Stroke, Chevy, Small Block, Each

Part Number: UEM-SIC9926-030

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ICON FHR Series Pistons SIC9965.060

Pistons, FHR, Forged 4032 Aluminum, 4.060 in. Bore, 3.750 in. Stroke, Dish, Chevy, Small Block, Each

Part Number: UEM-SIC9965-060

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ICON Premium Forged Pistons SIC977R.STD

Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.480 in. Stroke, Dome, Right Side, Chevy, Small Block, Each

Part Number: UEM-SIC977R-STD

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ICON FHR Series Custom Order Pistons SIC9926.040

Custom Order Piston, ICON FHR, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, 3.750 in. Stroke, Chevy, Small Block, Each

Part Number: UEM-SIC9926-040

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Howards Cams Special Grind Camshafts 129999

Howards Cams Special Grind Camshafts 129999

Camshaft, Mechanical Roller Tappet, Chevy, Big Block, Custom Order, Each

Part Number: HRS-129999

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Howards Cams Special Grind Camshafts 119994-S

Camshaft, Mechanical Roller Tappet, Custom Grind, 4/7 Swap Firing Order, Small Base, Chevy, Small Block, Each

Part Number: HRS-119994-S

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Howards Cams Special Grind Camshafts 119994

Camshaft, Mechanical Roller Tappet, Custom Grind, 4/7 Swap Firing Order, Chevy, Small Block, Each

Part Number: HRS-119994

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Silv-O-Lite Cast Pistons S1493C.040

Piston, Cast, Dish, 3.776 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1493C-040

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Silv-O-Lite Cast Pistons S1470.060

Piston, Cast, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Each

Part Number: UEM-S1470-060

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1991 CHEVROLET Parts and Accessories