Description
Ferrea Competition Plus Small Block Chevy HS 1.940 Intake Valves 4.960 OAL Crower 970 Inch Rotor 5x5 WEI7155 970 Inch Rotor 5x5 Bolt Pattern Reduces upper and lower control arm mount deflection Ferrea uses the latest technological advances gained through the development of engine valve programs for Formula 1 Product Description: