Ken Perry's Xtreme Arias - KPXA

***** 481X CRANKSHAFTS IN STOCK*****

3.750” STROKE RCD SPLINE
4.000” STROKE RCD SPLINE & KEYED
4.125” STROKE RCD SPLINE
4.375” STROKE RCD SPLINE
4.500” STROKE RCD SPLINE

Majority are Bryant, some are Winberg

Call for pricing 1-844-777-5792

Working on the Billet Supercharger Manifold - super impressive machining tool paths. Strong - has an added support to accommodate any issues with blower belt pull. Completely o'ringed.

Final product - Newly designed KPXA Turbo Manifold. Will be black anodized, other colors are optional.

Final piece - quick change burst panel

Down to a couple of final pieces. Oil spout

The cone/snout is now complete

All loaded up and headed to Rockingham!

Morning Motivation

You don’t want to miss this one come see The Fastest Door Cars on the planet bring the family something for everyone to enjoy

Only second race with this KPXA engine set up and no real testing - One Win and one runner up - Pretty impressive!
Great work Bumblebee Team!

Radial vs The World, LIGHTS OUT 15, South Georgia Motorsports Park - February 22-25
KPXA Engines in support of BumbleBee Racing. Looking to score another win!

The debut of our engine in the RVW Pro Mod series with Bumblebee Racing in Street Outlaws World Finals held at Orlando Speed World, with little to no testing, yielded a FINAL WIN!
It was a pleasure to work with the Jeff and Patrick Miller who have great talent in driving and tuning abilities.
We look forward to continuing this journey in proving our engine to be superior in all types of Pro Mod racing.