ARP 434-7401 Thermostat Housing Bolt Kit for Chevrolet LS. 20mm UHL. ARP Stainless. 12pt ymm_47 000 psi (which is 15%
Description
000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel-ground washers
24 green outer LEDs for quick reference to engine parameter
the system provides measurable gains over the stock exhaust configuration and forms a solid platform for further tuning development
They have a tensile strength of 190
3400 1957-1958
ARP 434-7401 Thermostat Housing Bolt Kit for Chevrolet LS. 20mm UHL. ARP Stainless. 12pt ymm_47 000 psi (which is 15%Specifications Socket Size(s) 8mm 12pt UHL (Qty: 2) 20mm Thread Size M8 washers included
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