Availability
Pistons
Piston, Forged, Flat Top, Single Valve Relief, 4.280 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139477S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.375 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-258285-1
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.280 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-338181S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-258278-1
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Pistons, Forged, Flat, 4.600 in. Bore, Chevy, Big Block, Set of 8
Part Number: MAN-696080-8
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2026 if ordered today
Estimated Ship Date: Dec 10, 2026 if ordered today
Piston, Forged, Dome, Single Valve Relief, 4.320 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-212137S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB207-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB201-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kits, Premium, Forged Aluminum, 4.600 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC749KTS100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, FHR Forged, Flat, 4.350 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-IC9920KTM100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Premium, Forged Aluminum, 4.530 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC749030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB202-100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB175-004
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB175-134
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.500 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB173KTD-034
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Each
Part Number: UEM-SIC600-125
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB202-060
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB361-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Premium Forged, Dome, 4.375 in. Bore, Chevy, Big Block, Set of 8
Part Number: UEM-IC600-125
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Forged, Flat, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC780-100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Premium, Forged Aluminum, 4.600 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Set of 8
Part Number: UEM-IC749100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Forged, Flat, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC780-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dish, 4.470 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB175KTD-004
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB174-004
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
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