CRANE ROLLER ROCKERS FITS HOLDEN V8 GOLD SERIES 1.65 RATIO X 7/16' STUD. CRANE CAMS ROLLER ROCKERS FITS HOLDEN V8 7/16' STUD MOUNT 1.65 RATIO.
Late model V8 and V6 engines that run factory light weight valvetrain components are often subject to valve float in the upper RPM range, limiting the engines performance and full potential. Manufactured and assembled in Australia using the highest quality materials.
Our easyfit (EF) kits are a cost effective alternative for factory stamped steel rocker arms, which can be installed within less than an hour without cylinder head removal and in most cases without machining. Yella Terra Ultralite is ideal for high revving street applications when coupled with factory/lightweight aftermarket springs. Our vacuum die cast arm is designed and engineered for optimum strength without the costs associated with billet CNC machining. Yella Terra’s exclusive Ultralite rocker arm, shaft and pedestal system offers 50 less nose weight than the factory rocker system, the result being greater RPM potential, with the added advantage of improved strength and durability. Clutch Cover & Pressure Plate Bolt Kits Yella Terra’s engineering team set out to find a solution to the problem, and the result was the Ultralite.
The Pro Street rocker arm is supported by the same hardware used in our severe race Platinum series. I could see accidentally dropping the sleeve down inside the lifter valley while trying to put the stupid things on but other than that i dont see any. While the Harland Sharp uses a 5/16 bolt with a sleeve to make up the 3/8' difference. Manufactured and assembled in Australia using the highest quality materials. The Yella Terra rockers mount with a conversion stud that converts the factory 5/6' stud the 3/8'. Yella Terra Pro Street is ideal for high revving street/strip applications. Automatic/Manual Transmission Pan Bolt Kits YELLA TERRA ROLLER ROCKER SET - LS3/LS9/LSA/L98 - PRO STREET - 1.7 - ADJUSTABLE - YT6737.Yella Terra Ultralight LS1/LS2 Rocker Set, Non-Adjustable, 1. The new Ultra-Lites will provide optimal results for LS series engines, provided the right valve springs and proper pushrod/valvetrain geometry is in place. The rocker arms have been balanced to withstand the aggressive loadings at the high RPMS. The rocker body is machined out of the high grade aircraft alloy and roller tips have been precision machined.
The products come in both 1:7 and 1:8 ratios and use a full compliment high quality Torrington bearing set. Hesco 4.7 stroker/ less than 3k since rebuild.300+HP -Brand new top still in box -Small crack in windshield -EngineHesco 4.
The Ultra-lite shaft rocker has 50% less nose weight of other shaft roller rockers offerings, fitting under the standard rocker covers with no further machining required. With valuable input from leading LS1 cylinder head manufacturers in the USA, Yella Terra engineers have worked in redesigning the YT Twin shaft rockers to withstand high RPMs and address valve control issues under extreme conditions. This new “proprietary lightweight design” is better suited to performance hydraulic roller and mild solid roller applications. The latest offering from Yella Terra is the new Ultralite LS1 twin shaft roller rocker series for late model Corvettes, Pontiac GTOs, F-bodies, and GM trucks.Īfter two years of R&D, testing and trials, the company has developed the Ultralite range that suits high performance applications.