KB Engines & Components

Piston, Hypereutectic, Flat, 4.070 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243R-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243R-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243R-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB243R-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB245-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB245-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• 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-SKB245-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.320 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-070

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-100

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-SKB245-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB246-030

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB246-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-SKB246-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251L-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251L-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.382 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251L-040

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251L-060

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251L-STD

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251R-020

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each

Part Number: UEM-SKB251R-030

Not Yet Reviewed

Estimated Ship Date: Dec 26, 2025 if ordered today

• Special Order