Upgraded OEM Rocker Arm Set 1.7:1 Ratio CO1478-16 Product:Suit GM LS3 100 Series Taper 120° Swivel

100 Series Taper 120° Swivel Hose End -20ANBlack Finish

Replacement Isolator Key & Weatherproof Seal

Blue Finish -12 ORB TO -12AN STRAIGHT ORB to AN Adapter

Great for the race track and Summernats

AF59-4055-01

Upgraded OEM Rocker Arm Set 1.7:1 Ratio CO1478-16 Product:Suit GM LS3 100 Series Taper 120° SwivelUpgraded OEM Rocker Arm Set 1. 7: 1 RatioSuit GM LS3 CO1478 16 1478 16 Stock LS rocker arms can experience cageless needle bearing failure when loads are increased. COMP Cams engineers have solved this problem with upgraded rockers featuring a stronger and more durable trunnion and captured bearing design. These upgraded versions increase each rocker's lift capacity and utilize caged roller bearings to improve valve train durability.