Smith Bros GM LS3 1.7 Ratio Rocker Arms Kit | Trunnion Upgraded

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Smith Bros GM LS3 1.7 Ratio Rocker Arms Kit | Trunnion UpgradedThe GM LS rocker has been proven to handle majority of engine applications. Whether it is a standard daily driver or a race drift application the OEM rocker supports a vast range of camshaft & valvetrain applications. The one common failure in the OEM rocker is the rocker trunnion bearing which is a needle roller system with a failure prone bearing housing. The design works fine for stock applications with relatively low km's however it is not

Your New Harrop 3" Gen-F cat back Includes:

Stage 1 LS3 | 225/236 @ 114 LSA 65/23 550 @ 6300 502 @ 5200 427

- Harrop HTV 2300 Supercharger Unit

000 psi tensile strength

This camshaft works well with builds making low to mid boost

Why Should I Buy The DPE Manta Range

125" JE ULTRA SERIES Flat Top Pistons

Does not require diff ratio or stall convertor upgrades

113 LSA & 114 LSA - Comes standard in 114 lsa

Turbo & Supercharged engine applications

Using their patented Permanent Mold Technology AFR as developed a high flowing casting based off the Mongoose version that outperforms the OEM castings & comparable options in the range by over 20CFM across the board

Crow Cams 221/238 Performance Camshaft Specs

Exchange/Return Notes