Pistons

Piston, Forged, Dish, Single Valve Relief, 4.500 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-257956-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston, Forged, Dish, Single Valve Relief, 4.530 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each

Part Number: JEP-257957-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pistons, Hypereutectic, Dish, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-060

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-100

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Pistons, Hypereutectic, Dish, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-KB287-STD

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.280 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB287KTM-030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB287KTM-040

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.310 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB287KTM-060

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.350 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB287KTM-100

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dish, 4.250 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB287KTM-STD

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Estimated Ship Date: Jan 5, 2026 if ordered today

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CH BB DS 4.560B/4.000S/6.135R/1.645CD

Part Number: DPP-12407

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Estimated Ship Date: Dec 30, 2025 if ordered today

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