Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow. Cast #117 & 403.
Valves, valve springs and r...
Old Man Emu's 3070 light-duty coil spring was developed, designed, and tested to be a front spring that was model-specific for 2011-15 WK Jeeps®. OME wanted to replace the factory equipment, that w...
Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow. Cast # 0331, 0630 & 7120.
CARB Notice
Legal ...
Promaxx Performance extends its reach into the Jeep market with a Stroker Crankshaft for the inline 6-cylinder 4.2L engines. Internally balanced and machined to factory specifications, this crank i...
Save time and money with Promaxx Cylinder Head with Valves, engineered as direct replacement for the CJ, Wrangler and Cherokee models. For the 4-Cylinder, 2.5L engine, this cast-iron head is shippe...
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Shopping Cart
Be the first to know...
Sign up for our newsletter to receive exclusive offers and coupons.
