Mahle PowerPak Performance Piston and Ring Kit (Small Block Ford)

Inverted Dome Pistons
1.5, 1.5, 3.0mm Rings

-Combination 1-
Cubic Inches: 410
Bore: 4.040"
Stroke: 3.850"
Rod Length: 6.250"
Compression Height: 1.245"
Pin Diameter: 0.927"
Crown Volume: -26cc
Weight: 392g
Compression Ratio @ 58cc: 10.1:1
Compression Ratio @ 64cc: 9.6:1
Compression Ratio @ 70cc: 9.1:1

-Combination 2-
Cubic Inches: 420
Bore: 4.040"
Stroke: 4.100"
Rod Length: 6.200"
Compression Height: 1.245"
Pin Diameter: 0.927"
Crown Volume: -26cc Inverted Dome
Weight: 392g
Compression Ratio @ 58cc: 10.6:1
Compression Ratio @ 64cc: 10:1
Compression Ratio @ 70cc: 9.5:1