The AED cam-timing pivot-bolt fix kit comes with everything needed to upgrade your aluminum-block mod motor’s weak link.

In the case of our 2016 Camaro, the P-1SC-1 kit from ProCharger is about as simple of a bolt-on deal as it gets. The system is air-to-air intercooled, so no messing with fluids or electric pumps ...

Older engines often rely on a manual tensioner — a threaded bolt adjusted pulley that requires manual adjustment and frequent checks. If your project car keeps eating belts, this might be why.

THOR Racing 1UZ belt tensioner kit - Ancilliaries kill BHPs. The latest development from THOR racing promises instant performance improvements for the Toyota 1UZ-FE V8 engine series.

Moreover, tensioners that also unload bolts need additional capacity." One application required 1.25-in.-diameter ASTM A490 bolts loaded to about 115,000 lb or 88% of minimum yield.

The tensioner body is screwed hand-tight onto the stud/bolt. Jackbolts are then tightened with a handheld torque wrench or air tool.

We dyno test a 5.7L Hemi crate motor with a mild cam and ported heads, then bolt on a TorqStorm blower for an extra 161 HP.

Holley’s Mid-Mount Complete Accessory System solves LS engine swap problems where space and clearance is a problem.

We replaced the tensioner on our Suburban and added a drop of threadlocker to the bolt. The tensioner came with a new bolt—nice. Is the area where the belt lives oily?