Complete performance upgrade kit for the non-hemi Predator 224cc and 212 Ghost engines. These engines are the Ducar DH224, and you will need to check the specs on the side of the box for the 70mm bore x 58mm stroke because this kit will not work with the 75mm x 51.5mm hemi version. It is always a good idea to check the hand holes in the box for the stamped steel octagonal valve cover that is flat on top. Both of the HF Predator 224 engines have black valve covers, so you have to make sure that it is flat and octagonal. This kit will develop 19hp @ 7300rpms and 17ftlbs @ 4200rpms on 93 octane pump gas, and can be rev'd to 8,000rpms. Set your clutch or torque converter to lock up or stall up to 4500rpms. Always use a high zinc oil like Valvoline VR1 SAE 30 or 10w-30 in all flat tappet cam engines.The kit includes everything needed to seriously wake up a stock Predator 224 non-hemi ARC 6773 3.308" rod for Ducar engines - puts stock Predator 224 or Ghost piston at zero deck. Optional 3.343" rod and 22.5mm CH flat top piston, and 3.343" available for Wildcat 223. Could also come with 3.323" rod and 23mm flat top, depending on what we have available. Regardless of availability of pistons, you will also get a flat top piston at zero deck with the correct rod if you opt for the high compression option. ARC 6619 GX200 Flywheel - 32* of timing and SFI approved, so that you'll rev up and actually make more power instead of the piston outrunning the flame front. DynoCams CM-224 camshaft - pre-clearanced for the 224cc/58mm stroke so no grinding on it is needed. Gasket Kit with 0.045" fire ring head gasket - just enough piston to head clearance to avoid contact and a 10.5:1 compression ratio with the stock 3cc dished piston and the Shredder Shredder Head and Complete Carb Kit - Flows 80cfm and feeds 19hp. Comes fully assembled and includes stainless 28.5mm/24mm valves and 1.2:1 HD steel rocker arms. Comes with billet aluminum adapter with pulse fitting, matching silicon boot with locking rib that fits the receiver groove in the adapter so your carburetor can't fall off, and a 26mm PWK style carburetor setup by us with a jet kit just in case. This kit also includes a cotton gauze air filter. This kit comes with a real ARC rod cut from 7075 billet, and an ARC flywheel with 32* of ignition advance that's been CNC cut from a billet of 6061 aluminum, so you can forget about striping flywheel keys and tearing up cranks, and it gives you the ignition advance you need to rev out and actually make power with the Shredder head. The DynoCams CM-224 cam has flame hardened lobes so it won't wear out on the opening ramp in five hours, and it doesn't have crazy duration, so you will actually have the mid range power that you need. The Shredder head flows 80 cubic feet per minute of air, or enough to feed 21hp, which has now been dyno verified. You can reuse your stock pushrods and lifters. These are high quality parts that are actually setup to work together as a package, and it delivers for a low price! All of the guess work has been taken out, this kit has everything you need, with none of the compromises of the others out there.Compression ratio chart is in the kit pictures. You will have 10.5:1 compression with a stock 3cc dished 224 piston and an 0.045" head gasket. If you run a flat top piston with a Shredder head you will need race gas. This kit requires a minimum of 93 octane pump gas. If you opt for the high compression flat top piston and 3.343" rod and 22.5mm compression height piston option it will bump your compression ratio to 11.7:1, and you'll need to mix an ounce per gallon of VP Octanium booster to 91 or 93 octane pump gas. You can get this octane booster at Walmart for around $25 for a 32oz can. Recommended oil is Valvoline VR1 10w-30 because it has the needed ZDDP additive package to protect a flat tappet cam as well as a minimum spread between the base oil's viscosity of 10w and the 30 weight at 212*F from the added Viscosity Index Improvers needed to achieve an SAE 30 rating at temperature. What this means is that the oil will not wear out the VII package and shear to a thinner grade as quickly as a 5w or 0w. We NEVER recommend running a non-zinc fortified oil in ANY of these industrial based engines with flat tappet cams.
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