Yella Terra Pro Street Roller Rockers SBC 1.6 HYD Ratio YT5019

Yella Terra Pro Street is ideal for high revving street/strip applications. Manufactured and assembled in Australia using the highest quality materials. The Pro Street rocker arm is supported by the same hardware used in our severe race Platinum series, including massive ground trunnions that have been machined to accommodate oversize needle roller bearings. The ground finish on our trunnions offers smoother operation, lower friction and better bearing compatibility than the machined finish used with comparable products. Compatible with Small Block Chevy Factory Head 265, 267, 283, 302, 305, 307, 327, 350, 400. Compatible with Small Block Chevy Aftermarket Heads with factory valvetrain geometry ALLPRO: 215 23°, BOWTIE: Iron & Alloy 23°, BRODIX: Track 1, DART: II, Iron Eagle 23°, EDELBROCK: Victor Jnr., PRO TOPLINE (RHS), WORLD: Sportsman II, Conquest, S/R Torquer 305.

EASY FIT Rockers bolt on. Fits standard mountings. No machining required.

Requires guide plates (sold separately) use original where applicable.

Hydraulic kits are designed specifically for use with hydraulic lifters. Adjustable kits are designed for use with both hydraulic and mechanical (solid) lifters.

Extruded from aircraft grade aluminium, perfect for dissipating excess top-end heat.