Valvetrain

Each kit includes cam plate roller bearings, Koyo Torrington® full roller inner needle bearings, 12-point ARP® camshaft and crankshaft bolts, ARP® fastener moly paste, thread compound and hardened washers. Plus kits include rocker box...

Use with retaining ring PART #DS-188016. Ensure proper press fit when changing Twin Cam chain drive camplates or replacing chain drive tensioners. Made from heat-treated chromoly steel. Made in the U.S.A. Compatible...

Fits stock and stock replacement camshafts and conversion camshaft upgrades on 99-06 engines to the hydraulic chain tensioner system Conversion camshaft use the late 07-17 style cam plate and oil pump Alignment washers are used to align the rear...

Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Designed to handle the demands of...

FEULING ENDURANCE BEEHIVE valve springs are a direct bolt in replacement, no spring seat or rocker cover machining required. Endurance springs are machined from a premium gradeHi-tensile chrome silicon single conical ovate wire, shot-peened with a...

W/Ti Retainers FEULING ENDURANCE BEEHIVE valve springs are a direct bolt in replacement, no spring seat or rocker cover machining required. Endurance springs are machined from a premium gradeHi-tensile chrome silicon single conical ovate wire,...

FEULING® BEEHIVE® valve springs use a much smaller and lighter weight retainer which drastically reduces the valve weight creating a much quicker revving and smoother motion than comparable dual valve springs FEULING® endurance springs...

Direct bolt-in replacement for EVO engines Can be used with stock valve springs, pushrods and lifters Will respond well with performance exhaust and air cleaner Will also respond well with increased compression and cylinder head work 1650-5500 RPM...

Offers more power than the 525 cams without sacrificing low end torque Extremely smooth cam lobe layout maintains quiet valve train and produces the smoothest cruise power band available Excellent bolt-in camshaft for stock to mid 96" and...

Can be used with the factory pushrod tubes and are the longest fast-install pushrods available. Standard .095" wall thickness. Made from the same great design as the regular install Feuling® adjustable pushrods but feature a slightly...