• Flat top.
    • 4 valve reliefs.
    • Piston & Ring Kit.

Application Summary:

Year Make/Model
1968-1971 Pontiac Acadian
1971 Pontiac Bonneville
1974 Pontiac Bonneville
1977 Pontiac Bonneville
1970-1973 Pontiac Catalina
1976-1977 Pontiac Catalina
1968-1979 Pontiac Firebird
1973-1975 Pontiac Grand Am
1975-1979 Pontiac Grand LeMans
1976-1977 Pontiac Grand Prix
1971-1974 Pontiac Grand Safari
1977 Pontiac Grand Safari
1977-1979 Pontiac Laurentian
1968-1979 Pontiac LeMans
1977 Pontiac Parisienne
1977 Pontiac Phoenix
1969-1970 Pontiac Strato-Chief
1968-1970 Pontiac Tempest
1971-1977 Pontiac Ventura
Attributes
Base Number 1520
Bore (in) 3.875
Bore (mm) 98.4
Bore Diameter 3.875
Compression Ratio 7.8
Country of Origin (Primary) MX
Crown (cc) +2cc
Crown Type FLAT TOP
Eng. Disp. In. 350
Eng. Disp. Liters 5.7
Engine Family Pontiac V8
Engine Manufacturer Pontiac
Hazardous Material Code N
Includes Ring Set 3875AM8.040
Life Cycle Status Code Available to Order
Oe Assembly 9792415, 9794465, 478809, 493165, 499054
Oil Ring Thickness 0.1875
Oversize 0.04
Oversized Yes
Oversizes STD .020 .030 .040 .060
Pin Configuration Offset
Pin Number 0980x308A
PIN TYPE Press
Piston Head Type Flat
Piston Material Cast 332 Alloy
Piston Pin Outside Diameter 0.98
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 0.29
Vin Code P
Year From 1968
Year Range 1968-1977
Year To 1977
GTIN 00800745297365