Availability
PLYMOUTH Pistons & Piston Rings
Pistons, Hypereutectic, Step, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB362-060
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
KB Hyper Piston - Chry 408 Rod 6.123 Step Dish 23.5cc 2V No Quench Dome
Part Number: UEM-KB416-020
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pistons, Hypereutectic, Quench Head 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB373-STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pistons, Hypereutectic, Step, 4.380 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB184-060
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Piston, Hypereutectic, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-S1279HC-STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB400-STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 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-KB232-STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pistons, Hypereutectic, Step, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Set of 8
Part Number: UEM-KB236-040
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 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-KB210-STD
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Pistons, Forged, Dome, 4.505 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Hemi, Set of 8
Part Number: UEM-IC936-005
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Engine Piston Set 71-93 CHR/DOD/PLY 5.9L
Part Number: EGN-P15308030
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Piston Set, 318 Mopar 1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.910 bore
Part Number: DMS-1-6310-3910
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 410 Mopar K1-FX Series -28cc Small Block Mopar Dish Top Piston Set. 4.000 bore
Part Number: DMS-K1-6405-4000
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 360 Mopar K1-FX Series -18cc Small Block Mopar Dish Top Piston Set. 4.000 bore
Part Number: DMS-K1-6353-4000
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 410 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.030 bore
Part Number: DMS-K1-6400-4030
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 410 Mopar 1-FX Series -28cc Small Block Mopar Dish Top Piston Set. 4.030 bore
Part Number: DMS-1-6405-4030
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 318 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore
Part Number: DMS-K1-6310-3950
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 410 Mopar 2-FX Series -18cc Small Block Mopar Dish Top Piston Set. 4.000 bore
Part Number: DMS-2-6403-4000
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 340 Mopar 3-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore
Part Number: DMS-3-6300-4040
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 318 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.910 bore
Part Number: DMS-K1-6310-3910
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 318 Mopar 2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.950 bore
Part Number: DMS-2-6310-3950
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 340 Mopar 1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.040 bore
Part Number: DMS-1-6300-4040
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 318 Mopar K1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.970 bore
Part Number: DMS-K1-6310-3970
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 340 Mopar 2-FX Series -3cc Small Block Mopar Flat Top Piston Set. 4.070 bore
Part Number: DMS-2-6300-4070
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston Set, 318 Mopar 1-FX Series -3cc Small Block Mopar Flat Top Piston Set. 3.970 bore
Part Number: DMS-1-6310-3970
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster