Water Pump Type: High-Flow Long-Neck Style
and dependable multi-port EFI operation in properly matched intake combinations
Featuring large 260cc cathedral-style intake runners
Distributor gear is most compatible with cast iron hydraulic or solid flat tappet camshafts
and rebuild applications
Chevy LT Pro Series Cast Steel Rocker Arms, 1.8 Ratio, Needle Bearing Trunnion, Needle Bearing Tip International V8 Water Pump Type: High-Flow Long-NeckGM LS LT 1. 8 Ratio Roller Rocker Arms for Improved Valvetrain Performance These 1. 8 ratio roller rocker arms are designed for GM LS LT applications, helping improve valve lift, reduce friction, and support more responsive engine performance. Built from cast steel, this rocker arm design balances strength, durability, and valvetrain stability for street performance, restoration, and upgraded engine builds. The needle bearing design helps promote