1966 GMC Parts and Accessories

Piston, Cast, Dish, 3.895 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-020

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Cast, Dish, 3.875 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-STD

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Cast, Flat, 3.875 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3485-STD

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Hypereutectic, Dish, 3.915 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Each

Part Number: UEM-S3468HC-040

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2026 if ordered today

• Drop Ship
• Special Order

Piston, Cast, Dish, 3.915 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.935 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Each

Part Number: UEM-S3468HC-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 3.905 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, nline 6, Each

Part Number: UEM-S3485-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 3.895 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3485-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.895 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Each

Part Number: UEM-S3468HC-020

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Floor Mats, LUXE Mats, Custom Color, Custom Application, Kit

Part Number: LLD-LUXE

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

• Customizable
• Special Order

Floor Mats, RubberTite Mats, Custom Color, Custom Application, Kit

Part Number: LLD-RUBBER

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

• Customizable
• Special Order

Floor Mats, Ultimats, Custom Color, Custom Application, Kit

Part Number: LLD-ULTIMAT

4.0 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

• Customizable
• Special Order

Piston, Cast, Dish, 3.905 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-030

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, GM, L6, Each

Part Number: UEM-S3485-040

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 3.955 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3485-080

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.905 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Each

Part Number: UEM-S3468HC-030

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Hypereutectic, Dish, 3.875 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, Chevy, L6, Each

Part Number: UEM-S3468HC-STD

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Flat, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S3485-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order

Piston, Cast, Dish, 3.935 in. Bore, 3/32 in., 3/32 in., 3/16 in. Ring Grooves, GM, L6, Each

Part Number: UEM-S1429-060

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

• Special Order