106-1071 | 3-5/8" Bore Single Plug Retro Cylinder Head and Valve Train Upgrade Kit for 1966-'84 big twins plate cup set Heavy-walled extreme duty crystal clear

Heavy-walled extreme duty crystal clear FEP Fluoropolymer outer insulation eliminates the need for grounding wires and ensures no interference with late model computer modules

Pull the rubber boot back and measure from the point at which the soft

The foot control mounting design allows for less vibration than other engine mounted mid control kits

Tour pak quick disconnect harness (part # 2120-1427) for seamless connections under the seat

Dimension Description: 15"x15"x5"

106-1071 | 3-5/8" Bore Single Plug Retro Cylinder Head and Valve Train Upgrade Kit for 1966-'84 big twins plate cup set Heavy-walled extreme duty crystal clearS&S Cycle 106 1071 Heres a way to give your 3 5 8" bore shovelhead engine the nostalgic look of a pan, and improve performance at the same time. The Retro Cylinder Head and Valve Train Upgrade Kit consists of a set of S&S P Series 3 5 8" single plug cylinder heads with rocker cradles, S&S roller rocker arms, S&S hydraulic tappets, billet tappet guides, Quickee pushrods, pushrod cover clips, and the required gaskets and hardware for assembly. Fits 3 5