XS230-RACE H/L – SBC

CNC Ported Intake Ports

CNC Ported Exhaust Ports

CNC Ported Combustion Chambers

High Performance Competition 5-angle Valve Job

Ductile Iron Intake & Exhaust Valve Seats

11/32″ Bronze Valve Guides

11/32″ Stainless Steel Intake Valves, 2.020″ x 5.010″ Overall Length, .250″ Tip

11/32″ Stainless Steel Exhaust Valves, 1.600″ x 5.010″ Overall Length, .250″ Tip

1.460″ O.D. Solid Hydraulic Roller Dual Valve Spring, 155 lbs Seat Pressure, .650″ Maximum Lift, 1.100″ Coil Bind

7° Chromoly Retainers, 1.430″ O.D. x 1.050″ I.D. x .685″ I.D.

7° Valve Keepers

Valve Spring Locator Cups, 1.460″ O.D.

7/16″ Rocker Studs

Adjustable 5/16″ Guide Plates

Viton Valve Seals