Professional Products Manifold O-Ring Kit - Cathedral Port - LS1 / LS6 Intakes - GM LS-Series (Set of 8) 1419A67 1/4" and 1/2" spacers

1/4" and 1/2" spacers

9% and produced 17hp and 50lbs

9/16 in Hex Head Nuts

23-ounce tank is 3-1/4" diameter by 7-3/4" tall

Pedal assembly is fully optimized for strength

Professional Products Manifold O-Ring Kit - Cathedral Port - LS1 / LS6 Intakes - GM LS-Series (Set of 8) 1419A67 1/4" and 1/2" spacersProduct 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