We have a MATCHED used set of 16 Xceldyne 300M Steel Retainers & 32 total Casidiam Coated 6MM (16) & 7MM (16) Mini Top Valve Locks. #12-0623-B. They have only been used 1 or 2 NASCAR Xfinity Series races.
16 Xceldyne 300M Steel Retainers & 6mm Mini Top Valve Locks Hendrick Motorsports
16 Xceldyne 300M Steel Retainers & 6 MM & 7MM Mini Top Valve Locks NASCAR
16 Xceldyne 300M Steel 1.300" Valve Spring Seat Locators NASCAR
16 PSI Polished Maxi Life 1.310" O.D. Valve Springs & Xceldyne 300M Retainers
RCR 16 XCELDYNE COATED TITANIUM RETAINERS 1.250 OD Nascar Valve Springs
