
SCAT BB 489/496 CHEVY DOME PISTON BALANCED ROTATING ASSEMBLY!
CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. This is a SCAT 489/496 BB CHEVY Rotating Assembly and comes complete with 4.250 stroke SCAT 9000 series crankshaft, Forged I-Beam 7/16 cap screw rods, +12cc Forged dome pistons, Rings, Rod & Main Bearings. For 2 pc rear main seal blocks. THIS ASSEMBLY IS INTERNALLY BALANCED SCAT CRANKS AND RODS ARE SUPERIOR TO EAGLE. WE HAVE USED BOTH IN OUR ENGINES AND SCAT MATERIAL IS STRONGER ALONG WITH SUPERIOR MACHINE WORK . Crank Stroke: 4.250 Rod length: 6.385 Pistons: +12cc dome 4.280 BORE For 489 CI Order 4.310 (.060) Bore pistons for 496 CI. IF YOU DO NOT SPECIFY YOU GET .030. Compression: 9.8-1 with 112cc heads 9.3-1 with 118cc heads 8.9-1 with 124cc heads *20cc= 9.9:1/118cc available apon request. IF YOU DO NOT SPECIFY YOU GET 12CC Displacement with 4.310 bore pistons is 496 Cubic Inches. We also stock custom billet steel cranks and do custom pistons. CUSTOM GRIND CAMS IS OUR SPECIALTY TO