Availability
1973 Pistons & Piston Rings
Powersports Piston, Forged 4032 Alloy, Coated, 3.467 in. Bore, 1.450 in. Comp. Ht, Hemi Dome, -47.6cc, 0.030 in. Oversize, 0.791 in. Pin, Harley®, Set
Part Number: UEM-KB931C030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Powersports Piston, Forged 4032 Alloy, Coated, 3.477 in. Bore, 1.450 in. Comp. Ht, Hemi Dome, -47.6cc, 0.040 in. Oversize, 0.791 in. Pin, Harley®, Set
Part Number: UEM-KB931C040
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston Set, KB Forged Coated Piston - Knuckle Pan Shovel Hemi Dome -47.6cc 74ci FL, FLH, FX 1941-79
Part Number: UEM-KB931C080
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Hypereutectic, Flat, 3.938 in. Bore, 3-32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Set of 8
Part Number: UEM-3481HC-STD
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 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-3475HC-040
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Hypereutectic, Flat, 3.958 in. Bore, 3-32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Set of 8
Part Number: UEM-3481HC-020
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Hypereutectic, Flat, 3.968 in. Bore, 3-32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Set of 8
Part Number: UEM-3481HC-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Hypereutectic, Flat, 3.998 in. Bore, 3-32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Set of 8
Part Number: UEM-3481HC-060
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB231-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Step, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB236-040
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.340 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB237-020
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB237-STD
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.362 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB240-020
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Dish, 4.156 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Oldsmobile, V8, Each
Part Number: UEM-SKB277-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Step, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB280-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB284-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB284-060
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 3.750 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC970L-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.750 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC970L-040
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC970R-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC970R-040
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 3.480 in. Stroke, Flat Top, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC971L-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.030 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC976L-030
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.375 in. Bore, 4.000 in. Stroke, Dome, Chevy, Big Block, Each
Part Number: UEM-SIC601-125
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
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