The Essential ATC37720 Roller Lifter Holding Kit for Mack E6/E7/E9 – Why Every Rebuild Tech Needs It
The Essential ATC37720 Roller Lifter Holding Kit for Mack E6/E7/E9 – Why Every Rebuild Tech Needs It
Cam removal on a **Mack E6, E7, or E9** without dropping a lifter? Impossible — unless you have the ATC37720. This J-37720-C equivalent holds all roller lifters securely above the cam lobes, even in tight RD cabs. At $580, it’s the rebuild essential that saves hours and prevents damage.
Shipping Weight: 7.00 lbs • Eligible for Free Shipping
Why the ATC37720 Is a Rebuild Game-Changer
Dropped lifters = cam damage, extra labor, and angry customers. The ATC37720 solves this with two-part threaded rods that screw together for full length but separate for tight RD cab access. Lower, lift, lock with included grommet — cam comes out clean.
Key Advantages
- Two-part rods for RD cab fit
- Grommet lock holds lifter up
- Works on E6, E7, E9 roller lifters
- Prevents cam lobe contact
- J-37720-C direct replacement
- Heavy-duty steel for daily use
Real Shop Feedback
“Used it on an E7 in a tight sleeper cab — rods screwed apart, dropped in, locked with grommet. Cam out in 20 mins. No dropped lifters.” – Fleet Diesel Tech, Ohio
When to Use the ATC37720
- Camshaft replacement
- Engine overhaul or in-frame rebuild
- Lifter inspection or replacement
- Head gasket service with cam removal
- Preventive maintenance on high-mileage E7/E9
Specs at a Glance
Tags: atc37720, j-37720-c, mack e6 lifter tool, e7 tappet holder, e9 cam removal, roller lifter kit, mack rd cab tool, engine rebuild mack, diesel cam service, apex tool