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, Flat top Forged pistons, Rings, Rod & Main Bearings.

For 2 pc rear main seal blocks.

THIS ASSEMBLY WILL BALANCE INTERNAL. *It is not balanced.

SCAT CRANKS AND RODS ARE SUPERIOR TO EAGLE. WE HAVE USED BOTH IN OUR ENGINES AND SCAT IS STRONGER PERIOD!

Crank Stroke: 4.250

Rod length: 6.385

Pistons: Flat TOP 4.280 BORE For 489 CI

For 496 CI ask for 4.310 Bore Pistons

Compression: 9.4-1 with 112cc heads

                        9.0-1 with 118cc heads

                        8.6-1 with 124cc heads

Displacement with 4.280 bore pistons is 489 Cubic Inches.

Will ship anywhere in the lower 48 states for $83.45.

We also stock custom billet steel cranks and do custom pistons. CUSTOM GRIND CAMS IS OUR SPECIALTY TO MATCH YOUR ENGINE COMBINATION!

If you don't see what your looking for - give us a call. We handle the complete Scat line ALONG with most of the other popular brands.

CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.

CONTACT US THE PRICE IS NEGOTIABLE BEST OFFER

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