New: CFMOTO Z10 ECU tunes are live Stage 1, 2 and 3

380 to 500 crank horsepower on the Pro R you already own, bolted on in a weekend, on the fuel you actually run. You leave first.

Forged wheels machined here and paddle tires built to hook up when everyone else digs. And you look like it.

Every kit ships with its own dyno sheet. First up the hill, first to the top, and first with a calibration for the CFMOTO ZFORCE Z10. Built in Utah since 2004.

Jedd Packard racing a supercharged RZR Pro R

Stock Pro R: 225 horsepower.
Ours: 380 on pump gas.

Every supercharger kit leaves with its own dyno sheet. Bolt it on Saturday, prove it on Sunday.

See the boost kits

225Stock RZR Pro R, hp
380Packard kit, pump gas
500Packard kit, E50

Horsepower as published on the Packard Pro R kit pages. Off-road and competition use only.

Sand Hollow is 3,300 feet above where they dyno'd your motor.

A naturally aspirated engine loses roughly 3% of its power for every thousand feet of elevation. A supercharger puts the air back.

203HP
Factory Pro RNaturally aspirated
487HP
Packard E50Supercharged

+284 HP with the Packard kit at 3,300 ft

Standard altitude derate applied to rated figures: 225 HP factory, 500 HP for the Packard E50 kit. Off-road and competition use only.

Out on the sand

Our cars, our family, our weekends.

Supercharged Polaris Xpedition throwing sand
Xpedition, supercharged
Two CFMOTO Z10s on the dunes with flags up
Z10s on the dunes
Packard family side-by-sides on the dunes at sunset
Family ride at sunset

Next Day Air, no surcharge

Order by 10 AM Mountain.

Built in Clearfield, Utah

Machined and assembled by hand.

Dyno-proven

Every kit is tested before it ships.

Real people

Call or text the shop.

Black Friday

Get on Santa Jedd's nice list.

Leave your number and we'll text or email you the minute the Black Friday deals open. In-stock only, while supplies last.

You're on the nice list. Watch your phone.