The Mahle MS piston set for SBC 312ci is a complete eight-cylinder piston set specified for a 312 cubic-inch small-block Chevy with a 3.776" bore and 3.480" stroke. The set lists a 5.700" rod, 0.927" pin, -3cc dome and an indicated 9.6:1 compression ratio; extended details note a 409g piston weight and 4032 alloy construction.
Mahle MS Piston Set SBC 312ci 3.776in Bore 3.480in Stroke 5.7in Rod 0.927 Pin -3cc 9.6 CR Set of 8