Engine:LS (LS6 Heads). Exhaust Valves Series:Race Master. Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
Manley Exhaust Valves 11539-8; Severe Duty 1.6 x 5.036 11/32 Stainless for SBC
Manley 11761-8 1.880" Big Block Chevy +100 Race Master Exhaust Valves Set Of 8
Manley 11555-8 1.600" Small Block Chevy +.200" Race Flo Exhaust Valves Set Of 8
Manley 11509-8 1.880" Big Block Chevy 3/8" Race Master Exhaust Valves Set Of 8
Manley 11843-8 1.880" Big Block Chevy Severe Duty 11/32" Exhaust Valves Set Of 8
Manley 1.600" Small Block Chevy Street Master Exhaust Valves SINGLE 10749-1
