ARP 434-7401 Thermostat Housing Bolt Kit for Chevrolet LS. 20mm UHL. ARP Stainless. 12pt ymm_47 the system provides measurable gains
Baker’s notes & crumb story
Description
the system provides measurable gains over the stock exhaust configuration and forms a solid platform for further tuning development
Material: 8740 chrome moly steel
24 green outer LEDs for quick reference to engine parameter
They have a tensile strength of 190
ARP 434-7401 Thermostat Housing Bolt Kit for Chevrolet LS. 20mm UHL. ARP Stainless. 12pt ymm_47 the system provides measurable gainsSpecifications Socket Size(s) 8mm 12pt UHL (Qty: 2) 20mm Thread Size M8 washers included