Earl's Adapter Tee -3/8 in NPT Female x 3/8 in NPT Female x 3/8 in NPT Female - Blue STBSB2LABK These heads feature a 58cc

These heads feature a 58cc combustion chamber (can be special ordered 55 to 65cc) with a 64cc exhaust port and a 3/4'' thick head deck (ideal for nitrous or blower applications)

2007 GMC Sierra 2500 HD Classic 78

Notched for 2" x 3" square tubing

XRP AN ORB-(O-Ring Boss) Adapter Fittings are what you need to connect AN fuel lines to AN ORB ports of the same size

just sparks

Earl's Adapter Tee -3/8 in NPT Female x 3/8 in NPT Female x 3/8 in NPT Female - Blue STBSB2LABK These heads feature a 58ccEarl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Fitting Adapter Tee 3 8 in NPT Female x 3 8 in