You're looking at a Mcquay Norris Thermostat, DVN-30XH. Item# 12734.
McQuay-Norris Thermostat DVN-30XH DVN30XH Made In USA
McQuay Norris CCS-671 Clips CCS671 671 Set of (2) Two Brand New
BTR Truck Norris NSR Camshaft, Gen 3/4 LS Truck, Hydraulic 3-Bolt
BTR Brian Tooley Racing Truck Norris NSR Camshaft No Springs Required for...
Racing Truck Norris NSR Camshaft 212 22X .498 LS 4.8 5.3 6.0 6.2 1999-13 Vortec
BTR BTR-GENV53TN Gen V 5.3 Truck Norris Camshaft With VVT Limiter
