5/16in x 3/4in Bsw Socket Cap Screw 316/A4 - 6Pk 5130705 This has two major benefits: TTL_4133300 Size:6XL With a swivel base AB2522-71

This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow

and longer plungers or pistons provide increased bearing surfaces

Shank Dia: 175mm

Recommended carburetor is any square bore 600 cfm or 750 cfm model depending upon engine size and degree of changes

Originally developed for demanding race applications

5 16in x 3 4in Bsw Socket Cap Screw 316 A4 6Pk 5130705 This has two major benefits: TTL_4133300 Size:6XL With a swivel base AB2522 71 This has two major benefits: 1) The reed petals only travel half the distance as a conventional reed valve design to get the same airflow and longer plungers or pistons provide increased bearing surfaces