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454/502 Mag and HP500 Super Tune Kit

Arizona Speed and Marine has a great kit to squeeze 25-30 horsepower out of your 454 Magnum, 502 EFI, 502 Magnum, or HP500 EFI.

Re-calibration of your ecu precisely controls spark, fuel, idle speed and rev-limit.

Show quality polished billet flame arrestor increases airflow.

MSD 6M 2L,with rev limit, multiple spark ignition box for better idle and hotter spark

MSD jumper harness for easy electrical connection

Adjustable fuel pressure regulator kit

If you don't see what you're looking for please call or e-mail us.

Phone: (480) 753-0208 Fax: (480) 753-0216

Hours: 8am - 5pm M-F Mountain Standard Time