Triumph Pre Unit 650 alloy head top end gasket kit 1956-1962 Head gasket:Not required 300" for exhaust

300" for exhaust

and effective length is 8

or wild racing cams

please check during installation

Hylomar makes future disassembly of parts very easy since it is non setting

Triumph Pre Unit 650 alloy head top end gasket kit 1956-1962 Head gasket:Not required 300" for exhaustThis kit is designed to service the top end on all Pre Unit 650 alloy head engines from 1956 on. This gasket set has been carefully manufactured with the highest quality materials and technology currently available. Triumph 650 Pre Unit 1956 1962 (aluminum head) TOP END GASKET KIT 1 AFM 650 base gasket (70 2894 or E2894) 2 AFM rocker box gaskets (70 3552 or E3552) 4 . 095 thick Pushrod tube seals (70 3547 or E3547) 4 . 125 thick Pushrod tube seals (70