Engines & Components
Availability
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your...
Welcome to your headquarters for horsepower—the place to get everything you need to build real power and performance! We’ve got competition-proven crate engines, performance-matched top end kits, and complete rotating assemblies from the biggest names in the industry. You can add a set of high-flow cylinder heads to your powerplant, upgrade your valvetrain, improve your oiling system, or drop in a new set of pistons. We also have a complete selection of crankshafts, connecting rods, harmonic balancers, pulleys, and engine brackets. We even have everything you need to restore the horsepower that time has stolen from your daily driver.
Showing In Stock Items. Show All 83 Items.
Pistons, Cast, Flat, 3.250 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Set of 6
Part Number: UEM-1280-STD
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
SYNCHRONOUS BELT
Part Number: CEL-1280-8M-30
Not Yet Reviewed
Estimated Ship Date: Jan 27, 2026 if ordered today
Estimated Ship Date: Jan 27, 2026 if ordered today
Pistons, Cast, Flat, 3.290 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Set of 6
Part Number: UEM-1280-040
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, Cast, Flat, 3.310 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Set of 6
Part Number: UEM-1280-060
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, Cast, Flat, 3.330 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Set of 6
Part Number: UEM-1280-080
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, Cast, Flat, 3.280 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Set of 6
Part Number: UEM-1280-030
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, Cast, Flat, 3.270 in. Bore, Dodge, Plymouth, Set of 6
Part Number: UEM-1280-020
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Intake Valve - GMC Pass. & Truck 153, 194, 215, 230, 250, 262, 265, 267, 283, 292, 305,
Part Number: MAH-2111280
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, RPM Series, Beehive, Single, 1.282 in./1.077 O.D., 286 lbs./in. Rate, 1.181 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1280X-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, RPM Series, Beehive, Single, 1.282 in./1.077 O.D., 286 lbs./in. Rate, 1.181 in. Coil Bind Height, Each
Part Number: RSC-PAC-1280X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston, Cast, Flat, 3.270 in. Bore, 3/32 in., 3/32 in., 5/32 in., 5/32 in. Ring Grooves, Mopar, L6, Each
Part Number: UEM-S1280-020
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 6.00cc Dome, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2802-3780
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam, Chev BB, Hyd Roller
Part Number: HRS-128085-09
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Valves, VALVE-S/D 2.250
Part Number: MAN-12802-1
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-1
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
VALVE-BBC S/D 1.940
Part Number: MAN-12803-8
Not Yet Reviewed
Estimated Ship Date: Feb 20, 2026 if ordered today
Estimated Ship Date: Feb 20, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3780
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.785 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3785
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.810 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3810
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.820 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3820
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.840 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3840
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.898 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3898
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.903 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3903
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 5.00cc Flat, 3.913 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2800-3913
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Pistons, FX-Series, Forged 4032, 10.00cc Dish, 3.780 in. Bore, Chevy LS, Set of 8
Part Number: DMS-1-2801-3780
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
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