Velocity Stacks for Dellorto's most popular carburators of the 1960's, 70's and 80's. Click on photo for more info. Dellorto Short Velocity Stack, SS, SS1, VHB $39.95 Dellorto Velocity Stack, SS & SS1, VHB $39.95 Dellorto Velocity Stack UB 20/22/24mm $44.95 Dellorto NOS Velocity Stack, SS, SS1, VHB $39.95 Dellorto Velocity Stack, 30-42mm $29.95 Aluminum Velocity Stack, 30-42mm $42.95 Dellorto Short Stack, PHF PHM 30-40mm $44.95 Dellorto Short Open Stack, PHM 38-40MM $39.95 Short Plastic Velocity Stack, PHM 38-40mm $10.95 Tapered Air Filter PHF 30-36mm $24.95 K & N Tapered air Filter, PHF 30-36MM $39.95 Air Filter Kit, SSI 27-30mm & VHB 27-30mm $59.95