Colt Cams 181/218 Daily/Hot Street Cummins Camshaft C.346.S-S4

• Drop-In Camshaft
• Good Up To 4400 RPM
• Great For Large Singles & Compound Turbos
• Duration @ .050 – INT. 181 Degrees, Cam Lift 0.280, Lobe Sep. 107.5
• Duration @ .050 -EXH. 218 Degrees, Cam Lift 0.323

The Colt Cams C.346.S-S4 Stage 4 Cummins Camshaft gives your 1989-2017 Dodge 5.9L/6.7L Cummins the same great drivability, mid-range torque, horsepower, and bottom end as the Stage 3, but with a larger exhaust profile to give you the max flow on large singles or compounds. This camshaft is designed as a drop-in that is good up to 4400 RPM.

Installation Notes:

• Follow Cummins installation instructions, use adequate amounts of assembly lube.
• Retainer Torque – 44 ft-lbs. Use red loctite.
• When using retainer on Common Rail, clearance is required.
• Always use new or re-crowned lifters.
• Big Stick cast billets require 2nd gen 24V lifters. Cummins Part# 3942565
• If using Common Rail lifted with larger head, make sure it clears the fuel pump lobe #5 on 12V engines. CR blocks should be okay but you should still check. If your gear is not pressed on all the way, the lifters could touch.
• Extra clearance may be required with aftermarket connecting rods.
• Drop-in cam is applicable in MOST cases, you MUST check clearances. Especially if a head has been planed, block decked,valve recessions..etc. Always check clearances before starting.

Break-In Procedure:

• Cam lube on all lobes, lifter faces, and oil pump gears.
• Oil all bearing journals and lifter barrels.
• Always turn engine over by hand before starting, check for clearances and proper timing location.
• Fire up to 1800-2000 RPM for 18-20 minutes.

Zinc Additive: Most oil companies have taken out a percentage of additives that are meant for anti-scuffing for break-in on flat tappet cams. A zinc additive must be added to your oil before you fire up your engine for the first time.

This Product Cannot Ship to California