Harbor Freight Predator Engine Upgrades - Go Faster! Get more power and replacement parts for your engine. Everything from stock carburetors, to billet flywheels and rods, upgraded heads and cams.
This is the "Do It Yourself" kit which features a 5.75" long shaft with 2 ball type ends. The rod is made from .188 diameter X .035 wall, 4130 heat treated Chrome-Moly steel. Hardened chrome-moly ball type ends are provided that are precision press fit...
ARC +.040" long rod to utilize the Hemi Predator flat top piston (ARC_DJ-1285PH) in a non-hemi Predator engine (WILL NOT WORK IN HEMI BLOCK without modification). 3.343" center to center for a 1.188" crank pin and a .709" wrist pin.
Made from domestic...
The "Red Stripe" spring is the strongest 10.8 lb spring on the market. This Heavy-Duty spring will allow the engine builder to custom fit their spring to their particular build. Having been through a specific process, which will reduce the amount of...
Set of 2
.187" Diameter, chromoly pushrods. Fits Predator 212 Hemi. Stock length 5.540"
This is a pair of the "Do It Yourself" pushrod kit which features a 5.75" long shaft with 2 ball type ends. The rods are made from .188" diameter X .035" wall, 4130 heat treated Chrome-Moly steel. Hardened chrome-moly ball type ends are provided that are...
Stainless Steel valve, 25MM face, 5.5MM stem, stock length
This valve head measures 25mm and are top quality. It has a radius-type keeper groove. This Valve will not work with stock retainers. Will fit stock 5.5mm valve guides.
ARC_18-930HJ 3-Staged J-Pipe Header I.D. .930". This Header is used primarily with the DC_CL-1 Cam in the Box Stock Classes. It is also used in the Builder Prepared Classes. Predator 212cc may require the mounting holes to be enlarged to accommodate...
For use with the ARC top plates
BSP Stock Head Bolt
ARC Rod Bolt Set, 1-1/4" LG HD This rod bolt set is made from top quality materials, the bolts are high tensile strength. In the pictures, the threads are enclosed in plastic tubing for protection. Torque bolts to 170 in/lbs.
This CNC bored .675 carb is designed for the Stock Appearing or Outlaw class and offers a special built ultra thin throttle shaft and knife edge butterfly that greatly increases air flow. Reworked air circuits and a unique E-Tube help regulate the fuel...
Kit includes the following parts:
Top plate/throttle hookup
Upgraded billet air filter adapter
Pulse inlet fitting
Walbro fuel pump
Angled air filter
5' fuel hose
Big Bertha Chain guard/heat shield