• .140" crown.
    • Used in either left or right cylinder bank.
    • Piston & Ring Kit.

Application Summary:

Year Make/Model
1966-1969 Chevrolet Bel Air
1966-1969 Chevrolet Biscayne
1969 Chevrolet Brookwood
1969 Chevrolet C50
1968-1969 Chevrolet C60
1969 Chevrolet Camaro
1966-1969 Chevrolet Caprice
1966-1969 Chevrolet Corvette
1969 Chevrolet Estate
1966-1969 Chevrolet Impala
1969 Chevrolet Kingswood
1969 Chevrolet Townsman
1969 Iso Grifo
1966-1969 Pontiac Laurentian
1966-1969 Pontiac Parisienne
1966-1969 Pontiac Strato-Chief
Attributes
Base Number 1434
Bore (in) 4.25
Bore (mm) 108
Bore Diameter 4.25
Compression Ratio 9.5
Country of Origin (Primary) MX
Crown (cc) -8cc
Crown Type DOME
Eng. Disp. In. 427
Eng. Disp. Liters 7
Engine Family Chevy Big Block Mark IV
Engine Manufacturer Chevrolet
Hazardous Material Code N
Includes Ring Set 4125AM8.040
Life Cycle Status Code Available to Order
Oe Assembly 3888327-8
Oil Ring Thickness 0.1875
Oversize 0.04
Oversized Yes
Oversizes STD .020 .030 .040 .060
Pin Configuration Offset
Pin Number 0990x230A
PIN TYPE Press
Piston Head Type Dome
Piston Material Cast 332 Alloy
Piston Pin Outside Diameter 0.99
Piston Rings Included Yes
Ring Pack 5/64, 5/64, 3/16
Second Compression Ring Thickness 0.0781
Sold As Complete Piston and Ring Kit
Top Compression Ring Thickness 0.0781
Top Land 0.39
Year From 1966
Year Range 1966-1969
Year To 1969
GTIN 00800745294623