SPARCO SEAT BASE-600 SERIES PORSCHE 911/912 (66-73) KW it also has flattened sections

it also has flattened sections which severely limits the performance gains from fitting a high efficiency manifold

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comes with upgraded SMC check valve

FRP Rear Diffuser  (Fits Golf MK7

SPARCO SEAT BASE-600 SERIES PORSCHE 911/912 (66-73) KW it also has flattened sectionsDESCRIPTION Sparco Seat Bases utilize the factory seat mounts on your vehicle's floor and provide a flat surface for mounting your Sparco seat. All seat bases are vehicle specific and provide a 100% bolt in installation. The 600 Series Sparco seat base is constructed with 3 16" thick steel to provide a strong flex free mount. In addition to the mouting holes provided for standard bolt on installation, the Sparco base has a wide metal platform to allow