This air scoop is fabricated out of stainless steel and hand polished to a brilliant finish. It will fit Holley or Quadrajet standard four barrel carburetors with a 5-1/8" air inlet. The scoop is 5-1/8" tall x 10-1/4" wide x 15-1/2" long. The scoop DOES NOT come with a hold down. Use one of our 215-11 flame arrestors (or other flame arrestors 8" x 3" or smaller) to hold the scoop in place and to meet US Coast Guard requirements. 
Stainless Steel Air Scoop Dimensions