Professional Products Manifold O-Ring Kit - Cathedral Port - LS1 / LS6 Intakes - GM LS-Series (Set of 8) HUGGM30BILLET 205 lb/in Spring Rate

205 lb/in Spring Rate

Bolt Spacing on the Wider Side: 4-inch

Built to add quick storage wherever you need it

These specific kits are used with lug mount FDL caliper kits

Professional Products Manifold O-Ring Kit - Cathedral Port - LS1 / LS6 Intakes - GM LS-Series (Set of 8) HUGGM30BILLET 205 lb/in Spring RateProduct Description: Intake Manifold Gasket O Ring Cathedral Port Rubber Professional Products LS1 LS6 Intakes GM LS Series Set of 8 The year was 1972, as newly imported automotive brands from Europe and Japan were gaining popularity; the founders of Professional Products entered the racing industry as part of Brock Racing Enterprises. The performance and styling parts company was an off shoot of the Datsun (Nissan) Racing Team. Prior to this, Brock