Some LS7 cylinder heads have variations in Rocker post machining and may require some further relief to clear the bottom of the Yella Terra Rocker. This is a secure site, limited to authorized Toyota and Lexus dealers only.
“D” Saddles (included) must be used to ensure correct radial fitment of the rocker shaft into the rocker cradle of the factory LS7 cylinder head. Deflection and bend test prove their aircraft grade extruded. Includes YT 5132 - 10mm rubber spacer kit. Yella Terra Roller Rockers are arguably the strongest aluminum rocker arms in the world. Shaft mount rockers do not require guide plates. Extruded from aircraft grade aluminium, perfect for dissipating excess top-end heat. Adjustable kits are designed for use with both hydraulic and mechanical (solid) lifters. Hydraulic kits are designed specifically for use with hydraulic lifters. 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. They are simply the ultimate rocker arms for use in high revving street engines and many race applications. Deflection and bend test prove their aircraft grade extruded aluminum arms are superior to rival aluminum and stainless steel arms. Yella Terra’s engineering team set out to find a solution to the problem, and the result was the Ultralite. Yella Terra Roller Rockers are arguably the strongest aluminum rocker arms in the world. YELLA TERRA ROLLER ROCKER SET - LS1/LS2/LS6 - PLATINUM - 1.7 - ADJUSTABLE - YT6640. YELLA TERRA PEDESTAL MOUNTS - FOR YT6640 ROCKERS - YT-6594. #LS7 YELLA TERRA ROCKERS FULL#
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. YELLA TERRA LS7 ULTRALITE NON-ADJUSTABLE ROCKERS - 1.8 RATIO - YT6670.
Manufactured and assembled in Australia using the highest quality materials. Yella Terra Ultralite is ideal for high revving street applications when coupled with factory/lightweight aftermarket springs. 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 without compromising strength or durability. Clutch Cover & Pressure Plate Bolt Kits 1.7 RATIO BOLT ON OFFSET ROCKER SET FOR RECTANGLE PORT HEADS.Automatic/Manual Transmission Pan Bolt Kits.
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