• Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel mileage
• Smooth camshaft lobe ramps are easier on valvetrain components and eliminate excessive valvetrain noise and wear
• Dyno proven and track tested
• Serious bore size, ported cylinder heads and throttle body
• Aggressive camshaft requiring high lift and higher load valvesprings, performance pushrods and lifters
• High-flow air cleaner and triple stepped exhaust pipe highly recommended
• Feuling recommends matching 592 cam with Race Series oiling system PART #s 14-01320 or 14-01832 
• High lift high load valve springs are required; see Feuling Beehive valve spring kit PART #18-00423
• Heavy-duty one-piece pushrods are also highly recommended; see PART #14-01311
• Made in the U.S.A.

NOTES:

High lift valve springs, performance pushrods and lifters required.

Due to the unstable nature of this 4-valve engine design with one rocker arm activating two valve springs, Feuling highly recommends running one-piece pushrods over quick-install adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter issues.

Feuling fastener kit PART #27-5638 also highly recommended to help prevent cylinder head cracking; kit replaces the rocker shaft bolts with studs and nuts to help reduce the stress of the rocker shaft standoffs.

(1) Camshaft

Instructions

The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.