Colt Cams Stage 4 Cummins Camshaft - Bundle
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- Good To 4000 RPM
- 30-35% Smoke Decrease
- Great For Large Singles & Compound Turbos
The Colt Cams Stage 4 “Big Stick” C.346.S-S4 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 C.346.S-S4 Cummins 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:
- Equally important, 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.
- Orders for this item with shipping to California will automatically be canceled and refunded
This Product Cannot Ship to California
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Product Details
- Vendor Colt Cams
- SKU 50000000072