Porsche Hastech Engineering Design Porsche 911 65-89 Billet Chain Tensioners H911-390-KIT SMC00044801--911-1984L (head volume) 91 74 139

(head volume) 91 74 139

Porsche Rubber mount for 924 (1976-1985) models

Clips and pivots are not included

Porsche Left windshield gutter attachment strip for 914 models (1974-1976)

Porsche Reproduction US right tail light assembly includes a lens with black trim

Porsche Hastech Engineering Design Porsche 911 65-89 Billet Chain Tensioners H911-390-KIT SMC00044801--911-1984L (head volume) 91 74 139Porsche Hastech Engineering's race proven design combines the robustness and safety from jumping of a mechanical tensioner with the self adjustment and dampening effect of a hydraulic tensioner. Easy to mount and adjust without special tools; does not use an oil feed line. Tensioner must be adjusted annually (usually once a race season) per Hastech recommendations. Manufactured by LN Engineering in the USA to Hastech Engineering specifications.