Download Blueprint 509 Big Block Chevy Pictures. 539 lbs of torque replaces any big block 396 or 454 without modifications. 509 chevy big block 539 lbs of torque 600 horsepower replaces any big block 396 or 454 without modifications, new dart 4 bolt main.

509 chevy big block 600 horsepower hang on to your seat!

Includes 30 month / 50,000. Forged cranks and pistons are also available on all models. Includes 30 month / 50,000. Blueprint engines pro series chevy ls 427 c.i.d.