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

Flat Top Pistons
1.5, 1.5, 3.0mm Rings

Technical Specs:

-Combination 1-
Cubic Inches: 306
Bore: 4.030"
Stroke: 3.000"
Rod Length: 5.090"
Compression Height: 1.600"
Pin Diameter: 0.912"
Crown Volume: -6cc
Weight: 464g
Compression Ratio @ 58cc: 9.7:1
Compression Ratio @ 64cc: 9:1
Compression Ratio @ 70cc: 8.4:1

-Combination 2-
Cubic Inches: 393
Bore: 4.030"
Stroke: 3.850"
Rod Length: 5.956"
Compression Height: 1.600"
Pin Diameter: 0.912"
Crown Volume: -6cc
Weight: 464g
Compression Ratio @ 58cc: 12.1:1
Compression Ratio @ 64cc: 11.3:1
Compression Ratio @ 70cc: 10.6:1