Availability
1973 Pistons & Piston Rings
Pistons, Premium, Forged 2618 Aluminum, 4.125 in. Bore, 3.400 in. Stroke, Dome, Ford, Small Block, Each
Part Number: UEM-SIC617-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.350 in. Bore, 4.250 in. Stroke, Flat Top, Right Side, Pontiac, Each
Part Number: UEM-SIC631R-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.145 in. Bore, 3.750 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC640L-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.150 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC640R-025
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.155 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC640R-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.165 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC640R-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.150 in. Bore, 4.210 in. Stroke, Dish, Left Side, Pontiac, Each
Part Number: UEM-SIC889L-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC977L-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC977L-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.480 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC976R-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.875 in. Stroke, Flat Top, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC978L-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.150 in. Bore, 4.210 in. Stroke, Dish, Right Side, Pontiac, Each
Part Number: UEM-SIC889R-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.040 in. Bore, 3.480 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC977R-040
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.480 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC976L-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.145 in. Bore, 3.875 in. Stroke, Dome, Left Side, Chevy, Small Block, Each
Part Number: UEM-SIC965L-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.000 in. Bore, 3.750 in. Stroke, Dome, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC972R-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Pistons, Premium, Forged 2618 Aluminum, 4.060 in. Bore, 3.480 in. Stroke, Flat Top, Right Side, Chevy, Small Block, Each
Part Number: UEM-SIC971R-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.270 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each
Part Number: UEM-S3475HC-020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each
Part Number: UEM-S3475HC-030
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each
Part Number: UEM-S3475HC-STD
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Dome, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each
Part Number: UEM-S9904HC-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, GM, V6, V8, Each
Part Number: UEM-SKB112L-030
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each
Part Number: UEM-SKB125L-030
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston, Hypereutectic, Flat, 3.930 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Each
Part Number: UEM-SKB167R-020
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Piston, Cast, Dish, 4.140 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, AMC, Jeep, V8, Each
Part Number: UEM-S2225C-060
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 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