Fuel Rail Extrusion -12 AN .970" ID. Suit Small Block Manifolds Deck Height_ 10.2" They have extraordinary wear resistance

They have extraordinary wear resistance and greater thermal properties than all other bronze alloys tested

valve jobbed with 57cc CNC Chambers

As cast VS CNC intake port back to back flow test

Chamber volume for this cylinder head is right around 60ccs

Oversize rocker gear posts for maximum rigidity suit T&D Part # 3149A one piece stand

Fuel Rail Extrusion -12 AN .970" ID. Suit Small Block Manifolds Deck Height_ 10.2" They have extraordinary wear resistanceFuel Rail Extrusion 12 AN . 970" ID Bore. 15. 75" length suit Small Block Manifolds. Ends tapped to suit 12AN Fittings (1" 1 16 12 Thread) 6063 T6 Aircraft Grade Aluminum. Price is for one pair of fuel rails. Manufactured and Machined in the USA