1973 Parts and Accessories

Piston, Cast, Flat, 3.970 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mopar, Small Block, Each

Part Number: UEM-S1266-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9908HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9910HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.145 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9911HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.155 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9911HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9912HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9904HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

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: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Mercruiser, V8, Each

Part Number: UEM-S3191H-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3474HC-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9902HC-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9902HC-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dome, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mercruiser, V8, Each

Part Number: UEM-S3474HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, V8, V6, Each

Part Number: UEM-S9901HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Pontiac, V8, Each

Part Number: UEM-S1520-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 3.958 in. Bore, 3/32 in., 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S3481HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.090 in. Bore, 3/32 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3176H-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Step, 4.070 in. Bore, 3/32 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3176H-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, L6, Each

Part Number: UEM-S3158HC-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Each

Part Number: UEM-S3101HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.373 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Buick, V8, Each

Part Number: UEM-S1730H-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Flat, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S9909HC-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Each

Part Number: UEM-S1476HC-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order