• Flat top.
    • Not destroked when used in 1971 engines.
    • Piston & Ring Kit.

Application Summary:

Year Make/Model
1962-1966 Chrysler 300
1965-1971 Chrysler Newport
1959-1960 Chrysler Saratoga
1959-1961 Chrysler Town & Country
1963-1971 Chrysler Town & Country
1959-1961 Chrysler Windsor
1963-1964 Dodge 330
1963-1964 Dodge 440
1963-1965 Dodge 880
1970-1971 Dodge Challenger
1966-1971 Dodge Charger
1959 Dodge Coronet
1965-1971 Dodge Coronet
1959-1961 Dodge Custom
1960-1962 Dodge Dart
1967-1969 Dodge Dart
1959 Dodge Lancer
1960 Dodge Matador
1965-1971 Dodge Monaco
1960-1961 Dodge Phoenix
1961 Dodge Pioneer
1960-1971 Dodge Polara
1959 Dodge Royal
1961 Dodge Seneca
1959 Dodge Sierra
1960-1961 Plymouth Custom
Attributes
Base Number 1271
Bore (in) 4.25
Bore (mm) 108
Bore Diameter 4.25
Compression Ratio 9.5, 8.4, 8.7
Country of Origin (Primary) MX
Crown Type FLAT TOP
Eng. Disp. In. 383
Eng. Disp. Liters 6.3
Engine Family Mopar Big Block B
Engine Manufacturer Chrysler
Hazardous Material Code N
Includes Ring Set 4250AM8.040
Life Cycle Status Code Available to Order
Oe Assembly 1879333, 2525433, 3004524, 3004531, 3420210, 3420206
Oil Ring Thickness 0.1875
Oversize 0.04
Oversized Yes
Oversizes STD .020 .030 .040 .060
Pin Configuration Offset
Pin Number 1094x314A
PIN TYPE Press
Piston Head Type Flat
Piston Material Cast 332 Alloy
Piston Pin Outside Diameter 1.094
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 0.292
Vin Code H, L, G
Year From 1959
Year Range 1959-1971
Year To 1971
GTIN 00800745294210