BARE GM LS1 6 BOLT 240cc ALUMINIUM CYLINDER HEADS WITH 68cc CHAMBER TO SUIT 3.90" BORE (PAIR) Category_WATER PUMP ADAPTERS Thread size 10-24 UNC with

Thread size 10-24 UNC with 3/8" hex nut

Internal Diameter with Alloy Sleeve - 6

Suits -8AN 100/450 series

They have a maximum operating pressure of 1250 psi and are a perfect choice for fuel

This inline check valve features a Male AN fitting and Female ORB fitting in either -6 or -8 sizes

BARE GM LS1 6 BOLT 240cc ALUMINIUM CYLINDER HEADS WITH 68cc CHAMBER TO SUIT 3.90" BORE (PAIR) Category_WATER PUMP ADAPTERS Thread size 10-24 UNC withBare GM LS1 6 Bolt 240cc Aluminium Cylinder Heads with 68cc Chamber to Suit 3. 90" Bore (Pair) 3. 23" x 1. 10" Intake Port, 1. 70" x 1. 41" Cathedral Exhaust Port The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise ultra smooth A356 T6 aluminium castings, new as cast runner and chamber designs produce excellent flow numbers. This combined with a 5