• Hypereutectic. Anodized Crown & Top Ring Groove.
  • Flat top. 2 valve reliefs.
  • .040" Offeset Floating pin.
  • M42 Coated skirts. Piston & Ring Kit
Attributes
Base Number 3494HCA
Bore (in) 4.25
Bore (mm) 108
Bore Diameter 4.25
Compression Ratio 9.1
Crown Type FLAT TOP
Eng. Disp. In. 496
Eng. Disp. Liters 8.1
Engine Family Chevy Big Block Truck
Engine Manufacturer GM
Hazardous Material Code N
Includes Ring Set 4250SM8.010
Life Cycle Status Code Available to Order
Lock SRW-010
Oe Assembly 12569473
Oil Ring Thickness 4
Oversize 0.01
Oversized Yes
Oversizes STD .010 .020 .030 .040 .060
Pin Configuration Offset
Pin Number 1040x219A
PIN TYPE Floating
Piston Head Type Flat
Piston Material Cast 390 Hypereutectic Alloy
Piston Pin Outside Diameter 1.04
Piston Rings Included Yes
Ring Pack 2.0mm, 2.0mm, 4.0mm Shallow Oil Groove
Second Compression Ring Thickness 2
Sold As Complete Piston and Ring Kit
Top Compression Ring Thickness 2
Top Land 0.2
Vin Code G
Year From 2001
Year Range 2001-2004
Year To 2004
GTIN 00800745303134