Ferrea Super Alloy Valve Stainless Exhaust 1.900" Head 11/32" Valve Stem 5.450" Long - Big Block Chevy - Set of 8 HASZF20SM The unit also features multiple

The unit also features multiple live data sensor screens

Bracket / Hardware / Handle Included

The sensor is fitted with a laser etched calibration chip which prevents the need for free air calibration when used with the AutoMeter gauges for which they are specifically designed

silver bezel/white gauge option sold separately

or fiber optic cable needed

Ferrea Super Alloy Valve Stainless Exhaust 1.900" Head 11/32" Valve Stem 5.450" Long - Big Block Chevy - Set of 8 HASZF20SM The unit also features multipleProduct Description: Exhaust Valve Competition Plus 1. 900 in Head 11 32 in Valve Stem 5. 450 in Long Stainless Big Block Chevy Set of 8 Ferrea Racing Components are engineered to excellence! For decades, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve programs