Mahle MS Piston Set BBC 489ci 4.280in Bore 4.25in Stroke 6.385in Rod .990 Pin 43cc 12.8 CR Set of 8

BIG BLOCK CHEVY DOME 489cid 4.280 x 1.270RCH, 4.250stroke,6.385rod,0.990pin,43.0cc,583g,12.9CR, 2618.