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Yella Terra Roller Rockers are arguably the strongest aluminum rocker arms in the world. Deflection and bend test prove their aircraft grade extruded aluminum arms are superior to rival aluminum and stainless steel arms.
The Yella Terra Platinum Race rockers are designed for the most severe race applications and have the feature of wide body arms for even greater strength and resistance to deflection. All Platinum rockers feature a heavy duty 7/16" mountings for unsurpassed rocker stability.
The rocker arms used on Yella Terra and Street Terra roller rockers are infinitely stronger than standard pressed steel arms providing the best in resistance to bending and breakage under high spring pressures at high RPM's. Features: Suits Factory LS7 Heads w/In-Cast Pedestals Only; Includes YT 5132 Rubber Spacers; 1.8 Rocker Arm Ratio; 8mm ...
- Yella Terra
Yella Terra Platinum Roller Rockers BBF 1.73 ADJ Ratio YT6321. Fits BB Ford and Cleveland, 1.73 Ratio, Adjustable, 7/16" Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 900 lbs, Max Spring Diameter 1.550". Buy in monthly payments with Affirm on orders over $50. Learn more.
The perfect low-maintenance substitute for factory rocker arms which utilise problematic cage-less bearings, solid non-roller tips and heavy steel bodies. Yella Terra Ultralite is ideal for high revving street applications when coupled with factory/lightweight aftermarket springs.
The rocker arms have been balanced to withstand the aggressive loadings at the high RPMS. 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.
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What is Yella Terra Ultralite?
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.
