Jesel Hemi Shaft Mount Rockers & Timing Belts

Rob Remesi of Jesel showed off their latest offerings at the PRI show. Jesel’s 5.7/6.1 Hemi Shaft Rocker system is a work of art. The top of the head (stock pedestals) is machined out to replace with this shaft rocker system. The aluminum base-plate conveniently bolts in by using the stock cylinder head studs. Jesel’s kit allows you to run a bigger spring, a solid lifter cam, and a more aggressive cam. The rocker arm ratio is adjustable from 1.6 to 1.75. It can be used in any application requiring an adjustable valve train setup. The aluminum rocker has fully adjustable stand heights for your desired valve height. It fits under a stock valve cover with Jesel’s spacer. This system was born from 24 hour endurance race testing after Jesel found the stock system not durable enough.

Roller Lifters are big at Jesel, too. With both solid bodied and hard coated steel lifter bodies, Jesel has you covered for tie-bar style lifters. At the top end is TS Series Tie-bar roller lifters which feature fully pressurized internal oil circuits, tolerances held to ±.0001”, DLC coated tool steel lifter bodies, internal locking axle pin, aluminum pistons with hardened steel pushrod seats, and a tie-bar made out of tempered stainless steel. The only difference between Jesel’s top of the line Keyway Roller Lifters and its TS Tie Bars is the alignment device and the easy drop-in installation that makes tie bars so popular.

The cost effective alternative to the TS Series is the Solid Body tie-bar design steel lifter. It is a perfect fit for sportsman and professional racers. Whether you are into drag racing or just running a serious piece on the street, this lifter was designed for you. Ultra smooth REM polished heat treated bodies, featuring pressurized oiling and precision sorted needle bearings, are CNC machined and held to tolerances far exceeding current industry standards. Available in .842”, .875”, and .905” diameter bodies, Jesel has applications for all popular race and O.E.M. blocks.

Jesel is the originator of the modern racing belt drive system. Like most Jesel valve train components, its belt drive was born out of necessity as NASCAR racers were experiencing frequent timing chain failures in 500-mile races. It has been refined over the years into a precise timing system that is durable enough to endure tough 24-hour races such as Daytona and Le Mans or a full-season of circle track competition. Jesel‘s belt drive systems offer a number of advantages:

• Cam timing adjustment is made externally providing the easiest and most accurate tuning available.

• Camshaft belt drives reduce oil windage; they are significantly stronger than timing chains and are gentler than gear drives on the valve train.

• Billet aluminum Spider is made from 2024-T6 and is available as a solid unit for additional strength.

• Accessories available to run distributor drives, fuel pumps, or oil pumps off the front of cam.

• Patented High Torq Drive reinforced belt operates dry and spins with less friction than timing chains or gear drives and also absorbs harmonics.

• Kit hardware is all Grade 8 Allen and Torx head design.

Available in both a cost-effective solid one piece upper drive and a fully adjustable upper drive.

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About the author

Bruce Sawicki

Bruce has loved cars, since birth. From building and racing go-karts as a kid, to drag racing Mavericks and Mustangs, to roadracing Formula Fords, dirt track go-karts, Legends oval tracking in a '34 Ford Coupe, and back to drag racing and open tracking a street Mustang, he's seen it all. On his bucket list are to race the 24 Hours of Daytona, surpass 200 mph, and convert his '95 Mustang into a Ford GT/GT-40 emulation.
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