1.7 yella terra rockers
And the nose-wheels are the lightest in the industry which keeps the weight over the valve limited. Yella Terra Street uses a fully captured, oversized Torrington needle bearings mounted on an 11/16″ shaft which is much larger than factory, it carries the load better.
1.7 YELLA TERRA ROCKERS FULL
Torrington needle bearings mated to full shaft and trunions You get the power and performance of Yella Terra easily and hassle free. All hardware is supplied, and generally, installation takes an hour and there are no special skills required. Yella Terra Street Roller Rockers are designed to easily mount to the existing head with no modifications. Easy installation, no cylinder head modification and all hardware supplied You get the confidence you need to take your engine into the higher rev ranges knowing that the Yella Terra Street rockers are there keeping your valve train hopping while running smoother, quieter, and cooler. Yella Terra Street Rockers set the stage for higher revs with their precision wheel tip rockers and superior trunion mounts and captive bearings. That gives you more performance, easier maintenance, and a longer cylinder head life. Yella Terra Street optimizes the valve train while keeping things cool and quite. Keep speed and performance up while keeping temperatures and noise down. Smoother, cooler, quieter operation, improve cylinder head life That means less maintenance and more track time. The true roller tip design behind Yella Terra Street Rockers reduces valve side thrust and gives you more life from your valve stems, guides and seats. Compared to factory, the Yella Terra Street line up dramatically improves power and performance by giving you the race proven engineering and design of the PerfectTune Yella Terra team for fractions of what you would pay otherwise. Yella Terra Street Terra rockers are there to give you the same legendary performance of premium race Yella Terra components at a fraction of the cost. To machine for screw in studs,remove 0.300" from Rocker Pads,drill and tap for 7/16" UNC.Street Terra Reduced cost, same legendary performance Use with Pushrod Guideplates and case hardened pushrods. Maintains lash and reduces necessary and tedious engine maintenance.
Intricately balanced CNC billet arms ensuring vital valvetrain stability - focusing attention on the harmony of the entire engine.Oversize full-complement caged bearings designed for oscillating (rocking) loads,paired with oversize precision ground trunnions to reduce friction.Built to withstand 600lbs* max open spring pressure.These rockers have got what it takes to last! Ideal for harsh street and strip applications,especially in place of the factory stamped steel GMH rockers that have seen decades of wear and tear. Our wide range of true ratios allows you to achieve high lift without relying solely on your camshaft…a trend many engine builders and racers alike are adopting to relieve the inertia on lifters and pushrods generated by aggressive and often violent ramp rates required to make big lift. Manufactured and assembled in Australia using the highest quality materials and componentry consistent with those found in our Platinum race series. No other comparable product can compete with 600lbs* maximum open spring pressure whilst retaining factory size bolt-down hardware. Designed for high revving street/strip applications.