• Flat top.
    • 4 valve reliefs.
    • 1973 and later press fit.
    • 1991 and later.
    • Use early style rings.
    • Same as 1266 with coated skirts.
    • Piston & Ring Kit.

Application Summary:

Year Make/Model
1970-1971 Dodge Charger
1969-1971 Dodge Coronet
Attributes
Base Number 1266C
Bore (in) 3.91
Bore (mm) 99.3
Bore Diameter 3.91
Compression Ratio 9.0, 8.6, 8.4
Country of Origin (Primary) MX
Crown (cc) +2cc
Crown Type FLAT TOP
Eng. Disp. In. 318
Eng. Disp. Liters 5.2
Engine Family Mopar Small Block LA
Engine Manufacturer Chrysler
Hazardous Material Code N
Includes Ring Set 3910AM8.060
Life Cycle Status Code Available to Order
Lock 128
Oe Assembly 2808405, 3004509, 3420222, 3685751, 4342772, 4638072
Oil Ring Thickness 0.1875
Oversize 0.04
Oversized Yes
Oversizes STD .020 .030 .040 .060
Pin Configuration Offset
Pin Number 0984x300B
PIN TYPE Floating
Piston Head Type Flat
Piston Material Cast 332 Alloy
Piston Pin Outside Diameter 0.984
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 0.281
Vin Code X, Y
Year From 1967
Year Range 1967-1984
Year To 1984
GTIN 00800745294104