Straub Technologies Trunnion Upgrade Rocker Arm Bushing - GM LS-Series 346-1381 HYPLXSM11PAFIA A simple 1/8

A simple 1/8

gasketless ball and socket collector design allows your Small Block Chevy exhaust system to bolt up

Kit includes: 1 seal

Sturdy furnace-brazed aluminum construction

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Straub Technologies Trunnion Upgrade Rocker Arm Bushing - GM LS-Series 346-1381 HYPLXSM11PAFIA A simple 1/8Product Description: Rocker Arm Bushing Trunnion Upgrade Hardware Included GM LS Series With 25 years of experience in the performance industry, Straub Technologies has built relationships with many of the top companies. Our ability to source, design, and sell products to satisfy the performance needs of industry giants and grassroots racers alike has built our reputation as the go to source in the performance industry.