CHEVROLET Chevy big block Mark IV KB Pistons

Piston, Hypereutectic, Dome, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB361-030

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.185 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB361-060

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB201-060

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: UEM-SKB227-STD

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB224-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB224-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB224-060

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB227-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB160-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: UEM-SKB176-STD

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB360-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB361-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB201-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB227-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB160-020

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-030

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB227-060

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB257-040

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB257-100

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB207-060

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

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: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Flat, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB202-100

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

• Drop Ship
• Special Order