LS1 Chevy 1.57 Dia 4.89 Nitro Black Performance Exhaust Valves Bead Lock 01-3200

Description

For sale is a set of (8) Engine Pro
01-3200
Nitro Black Performance Exhaust Valves for LS1 Bead Locked Chevrolet Engines!
Valve Specifications:
Type: Exhaust
Head Diameter: 1.570"
Stem Diameter: .313"
Overall Length: 4.890"
Tip Length: .160"
Our proprietary liquid nitriding process creates a valve that is smoother, stronger and more corrosion resistant than traditional chromed valves, even with exotic fuels. Our deep nitriding provides better ductility under the hard nitrided layer and is proven in rotating-bending fatigue tests. These valves are less likely to break even if contacted by the piston and greater surface hardness means less valve guide wear.
One piece forging in 21-4N high strength stainless alloy
Swirl polished for improved flow characteristics
Fully undercut stem
Hard wafer tip