Installer must check coil bind, valve-to-valve clearance and valve-to-piston clearance.
Due to the inherent characteristics of gear drives, you may experience more valve train noise.
NOTE: If OES, 509 or 510C cams are used with the stock chain drive system in Twin Cam 88 engines, it is recommended to use cylinder heads with stock valve springs or performance valve springs with no more than 160 lb. of seat force. For more demanding applications, we recommend the S&S gear drive cams.
(2) Chain drive cams (1) front, (1) rear
(2) 22 x28.5 x12 Needle bearings
(1) Large O-ring
(2) Small O-rings
(1) Retaining ring
(1) 20 x 42x 12 Bearing
(1) 20 x 42 x12 Bearing w/O-ring
(1) 5/16"-18 x 3/4" Flange hex head bolt
(1) Cam cover gasket
(1) 5ml Tube of loctite® 262
(1) 5ml Tube of loctite® 243
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.
Part 141349 fits the following machinesMake Sure This Fits Your Ride