Availability
Pistons
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
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
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, Dome, 4.250 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB257KTM-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dome, 4.600 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB174-134
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, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each
Part Number: UEM-S3474HC-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Dish, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB287-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139533S
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, Dome, 4.310 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB207KTD-060
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Forged, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC779-030
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Pro Tru Street Series, 4.530 in. Bore, Forged Aluminum, Chevrolet, 502, Set of 8
Part Number: WIS-PTS518A6
Not Yet Reviewed
Estimated Ship Date: Nov 23, 2026 if ordered today
Estimated Ship Date: Nov 23, 2026 if ordered today
CH BB DS 4.560B/4.000S/6.135R/1.645CD
Part Number: DPP-12407
Not Yet Reviewed
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Piston, Forged, Dome, 2-Valve Reliefs, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-258279-1
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.470 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139481S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Piston, Forged, Flat Top, Single Valve Relief, 4.350 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139480S
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2026 if ordered today
Estimated Ship Date: Nov 17, 2026 if ordered today
Pistons, Forged, 4.500 in. Bore, 4.000 in. Stroke, Dome Top, 6.135 in. Rod Length, 0.990 in. Pin Diameter, BBC, Chevy, Set of 8
Part Number: PIS-1000293
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2027 if ordered today
Estimated Ship Date: Jan 8, 2027 if ordered today
Pistons, Forged, 4.310 in. Bore, 4.000 in. Stroke, Dome Top, 6.135 in. Rod Length, 0.990 in. Pin Diameter, BBC, Chevy, Set of 8
Part Number: PIS-1000289
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2027 if ordered today
Estimated Ship Date: Jan 8, 2027 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Piston, Forged, Flat Top, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Each
Part Number: JEP-139478S
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Pistons, Forged, Dome, Single Valve Relief, 4.310 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-212136
Not Yet Reviewed
Estimated Ship Date: Nov 16, 2026 if ordered today
Estimated Ship Date: Nov 16, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.500 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB174-034
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, Dome, 4.250 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-KB207KTD-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.566 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB173-100
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB202-STD
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.530 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB174-064
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Forged, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8
Part Number: UEM-IC9918-040
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Pistons, Hypereutectic, Flat, 4.470 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB173-004
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
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