You can hear these cams on our YouTube Channel Cam Kit Custom Grind FRP CamshaftPSI or PAC Valve SpringsSmith Bros FRP Series PushrodsLimiter OR Lockout (based on application) Cam Kit + MDS Delete Kit Custom Grind FRP CamshaftOEM NON MDS "Hellcat" LiftersMDS PlugsPSI or PAC Valve SpringsSmith Bros FRP Series PushrodsPhaser Lockout or LimiterOEM or Mahle Headgaskets Felpro HeadboltsCam BoltCrank BoltTiming Cover Gasket KitValve Cover Gasket KitIntake GasketsWater Pump GasketValve Stem Seals   216/226 111+4 "Hellfire 2.0" . (Limiter recommended, best seller for trucks) This camshaft is our recommended camshaft for 6.4 trucks with a stock torque converter. Trucks that see towing use- this cam is for you.  220/228 113+2 "Mark 82" (Limiter) Great daily driver cam. Noticeable idle, but not rough. Makes great power from 2000-6800 rpm in a 6.4. Phaser limiter recommended. Converter not required in car or truck but would benefit from one.  228/238 113+2 "Tomahawk". (Phaser Lockout Required) Aggressive stock piston 6.4 cam. Rough idle.  6.4 trucks will need a 3200+ stall, 6.4 car does not need a converter but would benefit from one. 228/238 111+2 "Tomahawk 2.0". (Phaser Lockout Required) Updated version of our popular Tomahawk grind. Max effort stock piston camshaft. Rough idle, 3200+ stall converter mandatory. This camshaft will make more torque and horsepower up to approximately 6500 rpm in most applications compared to our Tomahawk OG grind. 231/246 116+4 "Titan ll" - (Phaser Lockout Required) Designed with PD/Centri Supercharger use in mind. It will clear in a SBE 6.4 engine. Converter strongly recommended, 3600+ for best results.  Expect to make more power with less boost over your factory camshaft.  Any cam below this paragraph requires an aftermarket piston with a valve relief. FRP is not responsible for misuse of our camshafts.  For aftermarket piston VVT applications we have:  237/249 112+2 "Trident VVT" - Proven 392-426ci  grind. Very rough idle. Produces ~520 whp Dynojet on 93 in a 5.7 392 stroker. Requires minimum 3400 stall for drivability, 4000 stall for best results. Hi-Ram intake recommended for best results.  239/251 115+2 "Widowmaker" - Aggressive blower/nitrous/turbo camshaft. Requires at least 3400 stall in most applications. Expect  ~530 whp N/A in a 392. Needs a intake manifold capable of supporting 7000+ rpm for best results.  242/253 112+3 "MOAB" - Aggressive 39X-426 ci NA/light nitrous camshaft.  390-435 ci camshaft, 4000 stall recommended. NAG1 applications will benefit from a 3.55 or higher gear. Will require an aftermarket intake manifold for best results.  255/272 116+4 "LGM-30" - If you have to ask if this cam works for your application-you don't need it. 390-454ci , high compression , 4400+ stall, serious power adder all required for this camshaft. Race only.