Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined. Customer had these valves as spares and got out of racing so here is someone's chance to get new parts at a discount. Valve features are as follows: Exhaust, XH-426 Stainless, 1.940 in. Diameter, .3100 in. Stem, 4.915 in. Length, Set of 8. Valve Head Diameter (in): 1.940 in. Valve Head Diameter (mm): 49.276mm Undercut Stem: No Swirl-Polished: Yes Overall Valve Length (in): 4.915 in. Overall Valve Length (mm): 124.841mm Valve Stem Diameter (in): 0.310 in. Valve Stem Diameter (mm): 7.874mm Valve Tip Length (in): 0.250 in. Valve Tip Length (mm): 6.350mm Valve Material: XH-426 stainless steel Lock Groove Quantity: 1-groove Lock Groove Style: Conventional/Square Approximate Weight (g): 133 Valve Head Style: 17 degree dish Valve Seat Width (in): 0.100 in.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.