Intake Valves Series:Race Flo. Underhead Angle:Pro Flo 12 deg. Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.
Manley Intake Valve Set 11528-8; Race Flo 2.190 x 5.218 3/8 Stainless for BBC
Manley Intake Valve Set 11566-8; Race Flo 2.020 x 4.911 11/32 SS for SBC, SBF
Manley Intake Valve Set 11514-8; Race Flo 2.065 x 5.218 x 3/8 Stainless for BBC
Manley Intake Valve Set 11526-8; Race Flo 2.250 x 5.218 3/8 Stainless for BBC
Manley Intake Valve Set 11522-8; Race Flo 1.940 x 4.911 11/32 Stainless for SBC
Manley Intake Valve Set 11364-8; Race Flo 5.10 x 2.110 11/32 for Pontiac 400-455
