Availability
Pistons, Hypereutectic, Step, 4.402 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB251-060
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB260-060
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.342 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB240-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB398-060
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB398-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 3.910 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB399-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB400-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.380 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB401-020
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Step, 4.400 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB402-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Cadillac V8, Set of 8
Part Number: UEM-KB353-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Cadillac V8, Set of 8
Part Number: UEM-KB353-060
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Step, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB356-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, KB Performance, 4.000 in. Bore, Step, 1.465 in. Compression Height, Press/Float Pin, 5/64 x 5/64 x 3/16 Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB416-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dish, 4.205 in. Bore, +28cc Piston Head Volume, American Motor, Set of 8
Part Number: UEM-KB418KTM-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB257-070
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB203-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB227-070
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB228-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8
Part Number: UEM-KB312-030
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dish, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB186-030
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dish, 3.776 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB186-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 4.040 in. Bore, Ford, Set of 8
Part Number: UEM-KB177-040
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dome, 3.766 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB179-030
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Dish, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Set of 8
Part Number: UEM-KB164-STD
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Pistons, Hypereutectic, Flat, 3.970 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB167-060
Not Yet Reviewed
Estimated Ship Date: Sep 24, 2025 if ordered today
Estimated Ship Date: Sep 24, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.