Top Selling, Bolt-On Performance Head!
23° Intake & Exhaust Valve Angles

The Brodix Race-Rite 23-degree Small Block Chevy Aluminum Cylinder Heads are designed by Brodix for maximum out-of-the-box horsepower. Every casting is poured from A-356 virgin aluminum and tested before Brodix utilizes their in-house processes such as 100% CNC machining and heat treating to assure that you receive the best products for your hard-earned money. Solid, phosphorous bronze guides are used to reduce valve leakage and oil consumption. The ductile iron valve seats are installed for use with unleaded fuel. Race-Rite heads are also milled and drilled on the ends for accessory mounts. The dual valve cover bolt pattern allows you to use either the traditional perimeter-style bolt pattern valve cover or the late-model center bolt pattern valve cover.

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VALVE SPRING   Specs   1.250'' Diameter Valve Spring for Hydraulic Flat Tappet Cam Spring Pressure Open: 300 lbs. Spring Pressure Closed: 100 lbs. Installed Height: 1.850'' Max Lift: .525''   1.470'' Diameter Valve Spring for Hydraulic Roller Lifter Cam Spring Pressure Open: 325 lbs. Spring Pressure Closed: 125 lbs. Installed Height: 1.900'' Max Lift: .575''   1.550'' Diameter Valve Spring for Mechanical Flat Tappet Cam Spring Pressure Open: 400 lbs. Spring Pressure Closed: 140 lbs. Installed Height: 1.950'' Max Lift: .600''   1.550'' Diameter Valve Spring for Mechanical Roller Lifter Cam Spring Pressure Open: 550 lbs. Spring Pressure Closed: 240 lbs. Installed Height: 1.950'' Max Lift: .700''

Part numbers ending with the letter "A" = Angled Spark Plug

Part numbers ending with the letter "S" = Straight Spark Plug