10/16/2026
BIG PAPI CAM PACKAGE π₯ NASTY OLD SCHOOL CAM SOUND. DYNO PROVEN. For the HP70 transmission, Hemi 392 6.4 Challenger. Big Papi cam developed by CJR Performance, custom grind with a custom spring kit, American Racing headers with 2-inch primaries and no cats, unlocked HP Tuners PCM, bypass OBD-II port, custom tune PCM and TCM, dyno session for proof of horsepower, Hellcat lifters, MDS plugs, new head gaskets, new exhaust gaskets, new timing cover gasket, oil change, coolant flush and a 180Β°F thermostat. $18,499.50. LET'S GO π Recommended add-ons: new spark plugs depending on mileage, cold air intake, oil separator, and cat-back exhaust from Borla ATAK (highly recommended) or GT Haus Roar Racing Series with optional valve control. Book yours: 416 909 9477 or cjrperformance.com.