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RPM Magazine - Celebrating 25 Years in 2024!
Home NEWS

Jesel Sportsman Steel Series Shaft Rockers

TLB by TLB
March 13, 2020
in NEWS
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JESEL Reintroduces Premium Stud Rocker Systems
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Jesel Engineers have combined all of the features of our Pro Aluminum Rockers with the durability of our Pro Steel Rockers. Jesel Sportsman Steel Rockers provide engine builders with the option of high strength steel rockers at an extremely affordable price and can be ordered separately or as an upgrade to certain Pro Aluminum rocker systems.

The Jesel Sportsman Steel Rockers are assembled with all of the proven components of our Pro Aluminum rockers. Featuring a .625″ wide body with an ultralight slot to reduce weight and moment of inertia. They’re designed to be a direct replacement for the current Pro Aluminum bodies and will bolt to existing stands. Featuring a .360″ wide non-needle valve tip roller and cup style tool steel adjuster, the rockers can be optioned with needle bearing nose rollers and ball style lash adjusters for high lift / high spring pressure applications. The rocker geometry is designed to minimize roller movement on the valve tip and each rocker body is manufactured from premium alloy steel. A through hardened heat treating process along with a black oxide coating will provide for years of dependable service and corrosion resistance.

Available Applications
SB 23° Chevrolet (Standard and 60/40 valve split)

Gen 3 Chevrolet (LS1 / LS2 / LS7)

BB Chevrolet (18°/20°/24° Conventional Head)

SB Ford (20° Inline valve, D3, TFS Highport)

Ideal Engine Types
Turbocharged

Supercharged

Nitrous

Endurance

Marine

Sportsman Steel Features

Shaft Needle Bearings
Full compliment needle bearing assembly operates with minimal lubrication while distributing load evenly over shaft surface.

Clip-Pin Nose Roller
Securely retained .520” diameter Tool Steel Nose Roller operates with less friction and decreased valve guide wear.

Tool Steel Lash Adjusters
CNC machined, heat treated alloy steel lash adjusters have been proven through years of abuse.

Centerless Ground Shafts
Precision ground and heat treated Tool Steel shaft provides years of durable service.

Optional Ball Adjuster
Has less friction than cup type adjusters. Makes rocker arm stronger by increasing the adjuster thread area and eliminates counterbore area.

Optional Needle Roller
Recommended for use with high lift, high spring pressure applications. Prevents the roller from stalling and skidding across the valve tip. Highly recommended when using .312” or smaller valve stems.

 

Read Features and Tech from RPM Magazine.

Read RPM Magazine here.




Tags: BB Chevrolethigh spring pressureJeselNitrousnon-needle valve tip rollerSB FordShaft RockersSuperchargedTurbocharged
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