1991 CHEVROLET | Summit Racing

Diamond Pistons Race Series Pistons 11423

SB Chevy DS 4.030B/1.250CD

Part Number: DPP-11423

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Estimated Ship Date: May 27, 2026 if ordered today

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Diamond Pistons Domestic Series Pistons 11131

SB Chevy FT 4.030B/1.250CD

Part Number: DPP-11131

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Diamond Pistons Domestic Series Pistons 11143

SB Chevy FT 4.040B/1.218CD NS

Part Number: DPP-11143

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Diamond Pistons Race Series Pistons 11421

SB Chevy DS 4.035B/1.550CD

Part Number: DPP-11421

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Estimated Ship Date: May 27, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS61353DL19-1

ESP BBC 6.135" ROD

Part Number: ESP-61353DL19-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

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FTI Performance Torque Converters ESR0086

ECONOMY TORQUE CONVERTER

Part Number: FTI-ESR0086

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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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Zumbrota Remanufactured Manual Transmissions RMT4500C-2

Reman Manual Transmission, NV4500, , '91-'94 GM 4WD, external slave, round top cover

Part Number: ZUD-RMT4500C-2

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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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KB Performance Pistons SKB228.040

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB228-040

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3408HC.STD

Piston, Hypereutectic, Dish, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Each

Part Number: UEM-S3408HC-STD

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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Silv-O-Lite Hypereutectic Pistons S3462HC.STD

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

Part Number: UEM-S3462HC-STD

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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KB Performance Pistons SKB301L.020

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

Part Number: UEM-SKB301L-020

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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KB Performance Pistons SKB301R.020

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

Part Number: UEM-SKB301R-020

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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KB Performance Pistons SKB198.030

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB198-030

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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KB Performance Pistons SKB174.004

Piston, Hypereutectic, Dome, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB174-004

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Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

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KB Performance Claimer Pistons S9901HC.060

Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9901HC-060

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Claimer Pistons S9905HC.040

Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, 8, V6, Each

Part Number: UEM-S9905HC-040

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Claimer Pistons S9906HC.STD

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

Part Number: UEM-S9906HC-STD

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB203.070

Piston, Hypereutectic, Dome, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB203-070

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Claimer Pistons S9912HC.020

Piston, Hypereutectic, Dish, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9912HC-020

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Estimated Ship Date: May 27, 2026 if ordered today

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ICON Premium Forged Pistons SIC623L.STD

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

Part Number: UEM-SIC623L-STD

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Estimated Ship Date: May 27, 2026 if ordered today

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KB Performance Pistons SKB112.040

Piston, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each

Part Number: UEM-SKB112-040

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Estimated Ship Date: May 27, 2026 if ordered today

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ICON Premium Forged Pistons SIC993.125

Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.250 in. Stroke, Dome, Chevy, Big Block, Each

Part Number: UEM-SIC993-125

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Estimated Ship Date: May 27, 2026 if ordered today

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Eagle H-Beam Connecting Rods CRS68003DL19-1

Connecting Rod, H-beam, Forged 4340 Steel, Floating, Cap Screw, 6.800 in. Length, Chevy, Pontiac, Ford, Each

Part Number: ESP-68003DL19-1

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Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

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KB Performance Pistons SKB229.020

Piston, Hypereutectic, Flat, 3.756 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB229-020

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Estimated Ship Date: May 27, 2026 if ordered today

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ICON Premium Forged Pistons SIC977L.060

Pistons, Premium, Forged 2618 Aluminum, 4.060 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each

Part Number: UEM-SIC977L-060

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Estimated Ship Date: May 27, 2026 if ordered today

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1991 CHEVROLET Parts and Accessories