Small Block Chevy 400ci
- Cubic Inches: 414
- Bore: 4.125"
- Stroke: 3.875"
- Rod Length: 6.000"
- Compression Height: 1.062R
- Pin Diameter: 0.927"
- Crown Volume: -5cc
- Weight: 399g
- Compression Ratio @ 58cc: 12.8:1
- Compression Ratio @ 64cc: 11.9:1
- Compression Ratio @ 70cc: 11.1:1
please tell us the valve relief depth and radius will these pistons work on a 60/40 split cylinder head or a standard split head or both thanks
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