• 2.944" diameter recess .115" deep.
    • 2 angled valve reliefs.
    • Head volume +15.5.
    • Piston & Ring Kit
Attributes
Alloy Cast 390 Hypereutectic Alloy
Base Number 1160
Bore (in) 4
Bore (mm) 101.6
Compression Ratio 7.9:1
Country of Origin (Primary) MX
Crown (cc) +15.5cc
Crown Type Dish
Cylinder Bore Diameter 4
Eng. Disp. In. 400
Eng. Disp. Liters 6.6
Engine Family Ford Modified
Engine Manufacturer Ford
Grade Type Regular
Hazardous Material Code N
Life Cycle Status Code Available to Order
Make For Engine Family Ford
Oe Assembly D1AZ6108A-B, D2AZ6108G-H, D3AZ6108G-H
Oil Ring Thickness 0.187
Oversize STD
Oversized No
Oversized Amount STD
Oversizes STD .020 .030 .040 .060 .080
Pin Configuration Offset
Pin Diameter (in) 0.975
Pin Diameter (mm) 24.8
Pin Number 0975x305C
PIN TYPE Press
Piston Material Cast 390 Hypereutectic Alloy
Piston Pin Outside Diameter 0.975
Ring Pack 5/64, 5/64, 3/16
Rod (in) 6.581
Rod (mm) 167.15
Second Compression Ring Thickness 0.078
Sold As Complete Piston and Ring Kit
Stroke (in) 4.000
Stroke (mm) 101.6
Top Compression Ring Thickness 0.078
Top Land 0.33
Uses Ring Set 4000AM8
Year From 1971
Year Range 1971-1982
Year To 1982
GTIN 00800745290977