Aeroflow GM LS1 & LS2 Hi-Flow Thermostat, 160°F (71°C) AF49-1143 Aeroflow Performance Hex Head S/Sfits BB Chev

Hex Head S/Sfits BB Chev 3/8" X 1

Conrod Bolt Setfits SB Chev 265-283-327 (Small Journal) & Holden 253-308 11/32" (Wave Loc 8740)

Part Number: AF380-02-06

Part Number: AF299-04SS

Aeroflow GM LS1 & LS2 Hi-Flow Thermostat, 160°F (71°C) AF49-1143 Aeroflow Performance Hex Head S/Sfits BB ChevGM LS1 & LS2 Hi Flow Thermostat, 160F (71C) 160F Opening Temperature Rating, Made from Copper Steel Brand: AEROFLOW Part Number: AF49 1143 Description: Thermostats play a vital role in engine management. Thermostats can fail in 2 possible manners; open or close position. If stuck open,the engine's heater will operate at reduced efficiency for an extended period of timeor if stuck shut, will cause your cars engine to overheat leading to costly repairs