Home / Engine & Performance / Motor / LS1 LS2 12pt thermostat housing bolt kit “ARP GM DURAMAX 6.6L L5P CA625+ HEAD STUD KIT” has been added to your cart. View cart LS1 LS2 12pt thermostat housing bolt kit€ 10,06 LS1 LS2 12pt thermostat housing bolt kit quantity Add to cart SKU: ARP-134-7401 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP cabinet with SS 12pt metric accessory bolts Engine & PerformanceEngine Block JE-Pistons kit Ferrari 330 4.0L 24V 77.50mm 10.0:1 Engine & PerformanceEngine Block JE-Pistons Kit Lambo. Gallardo 5.0L FSI V10 ’03-08 82.50mm Bolts & StudsEngine & Performance Chevy Duramax 6.6L diesel CA625+ custom age HSK