Mahle forged piston set for a 600 cid Chevy Big Block is specified at 4.605" bore with a 4.500" stroke and 6.385" rod length, using a 0.990" pin and delivering a 45.0cc dish and approximately 637 grams per piston for a 15.6:1 compression ratio. This matched powerpak set lists detailed ring and dimension specs including 4.605 x 1.155RCH and references 2618 in the specification set.
Mahle Chevy Big Block 600cid 4.605Bore 4.5Stk 6.385Rod 0.990Pin Forged Dome PowerPak Pistons