Availability
Pistons, Forged, Dish, Single Valve Relief, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-257942-8
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025
Pistons, Forged, Flat Top, Single Valve Relief, 4.500 in. Bore, 4.000 in. Stroke, 6.135 in. Rod, 1.645 in. Compression, Chevy, Set of 8
Part Number: JEP-257984-8
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Pistons, Forged, Flat Top, Single Valve Relief, 4.530 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-257966-8
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Pistons, Forged, Dish, Single Valve Relief, 4.530 in. Bore, 4.000 in. Stroke, 6.385 in. Rod, 1.395 in. Compression, Chevy, Set of 8
Part Number: JEP-257948-8
Not Yet Reviewed
Estimated Ship Date: Nov 21, 2025 if ordered today
Estimated Ship Date: Nov 21, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Pistons, Forged, Dome, 2-Valve Reliefs, 4.530 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-258218-8
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.500 in. Bore, 4.250 in. Stroke, 6.385 in. Rod, 1.270 in. Compression, Chevy, Set of 8
Part Number: JEP-258238-8
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025
Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: UEM-9908HC-030
Not Yet Reviewed
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Pistons, Forged, Dome, 2-Valve Reliefs, 4.560 in. Bore, 4.250 in. Stroke, 6.535 in. Rod, 1.120 in. Compression, Chevy, Set of 8
Part Number: JEP-258219-8
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025
Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB120KTM-030
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Small Block, Set of 8
Part Number: UEM-IC9931-030
Estimated Ship Date: Dec 16, 2025 if ordered today
Estimated Ship Date: Dec 16, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-9909HC-040
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Single Piston
Part Number: MAH-S2243663
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Piston and Ring Kit, Forged, Dome, 4.500 in. Bore, Chevy, Big Block, Kit
Part Number: UEM-IC814KTD-034
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Piston and Ring Kit, Forged Aluminum, 52.500mm Bore, Yamaha, Kit
Part Number: WIS-767M05250
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Pistons, PowerPak Plus Piston and Ring Kits, 4.050 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8
Part Number: MLE-930202550
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Piston Rings, Plasma-moly, 4.030 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, 8-Cylinder, Set
Part Number: MAH-42084CP030
Estimated Ship Date: Dec 11, 2025 if ordered today
Estimated Ship Date: Dec 11, 2025 if ordered today
Pistons, PowerPak Plus Piston and Ring Kits, 4.040 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8
Part Number: MLE-930202540
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Pistons and Rings, Forged Flat, 4.135 in. Bore, Chevy, Kit
Part Number: WIS-K395X135
Not Yet Reviewed
Estimated Ship Date: Nov 10, 2025 if ordered today
Estimated Ship Date: Nov 10, 2025 if ordered today
Pistons, Cast, Flat, 96.5mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Mopar, V6, Set of 6
Part Number: UEM-3245C-5MM
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Professional Series Piston Kits, 4.010 in. Bore, Forged, Flat Top, 1.2mm, 1.2mm, 3.0mm Rings, Chevrolet, 6.0L LS, Kit
Part Number: WIS-K398X1
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Piston and Ring Kit, Hypereutectic, Flat, 4.060 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-KB404KTM-060
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston and Ring Kit, Claimer, Hypereutectic, Dish, 4.020 in. Bore, Chevy, Small Block, Kit
Part Number: UEM-9912HCKTM020
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Pistons, Hypereutectic, Flat, 93.5mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Mopar, Set of 8
Part Number: UEM-3252HC-5MM
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Piston and Ring Kits, Elite, Forged 2618 Aluminum, 3.796 in. Bore, 3.480 in. Stroke, Flat Top, Chevy, Small Block, Set of 8
Part Number: UEM-S00162
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock
Part Number: SUM-110S273S03-5
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
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