Quick view DynoCams DynoCams, MOD1 Grind, Welded Lobe GX390 Core Predator 420 13 HP Clone This cam makes slightly more top end power than the 308 grind. This cam requires an upgraded spring package, billet rod, and billet flywheel.Engine: 13HP Fits Honda GX390 SpecsEngine: 390cc OHV Clone... $144.95 Add to Cart
Quick view DynoCams DynoCams, 356 Grind, Welded Lobe GX390 Core The DynoCams 356 is a high lift modified grind that is very capable of extreme RPMs. This cam has very aggressive ramps and requires an upgraded spring package, billet rod, and billet flywheel. For... $139.99 Add to Cart
Quick view DynoCams DynoCams, 308 Grind, Welded Lobe GX390 Core Predator 420 13-16 HP Clone This cam is easy on the valve train and has a very wide power band. This cam requires an upgraded spring package, billet rod, and billet flywheel.Engine: 13HP Fits Honda GX390, Predator 420, DuroMax... $139.99 Add to Cart
Quick view DynoCams DynoCams, 275 Grind, Welded Lobe GX390 Core Predator 420 13 HP Clone This cam is to be used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel. Engine: 13HP Fits Honda GX390 SpecsEngine: 390cc OHV Clone... $143.95 Add to Cart
Quick view DynoCams DynoCams, 356 Grind, Tool Steel Billet GX390 Core The DynoCams 356 is a high lift modified grind that is very capable of extreme RPMs. This cam has very aggressive ramps and requires an upgraded spring package, billet rod, and billet flywheel. For... $209.99 Add to Cart
Quick view DynoCams DynoCams, 308 Grind, Tool Steel Billet GX390 Core This cam is easy on the valve train and has a very wide power band. This cam requires an upgraded spring package, billet rod, and billet flywheel.Engine: 13HP Fits Honda GX390INTAKELIFT: .308Dur @ ... $214.95 Add to Cart
Quick view DynoCams DynoCams, 275 Grind, Tool Steel Billet GX390 Core This cam is to be used in mild modified applications. It will require an upgraded spring package, billet rod, and billet flywheel. Engine: 13HP Fits Honda GX390INTAKELIFT: .276Dur @ .050": 239.5 Deg... $201.59 Add to Cart
