Allstar Performance Coolant Crossover Plugs — GM LS-Series, Pair | ALL31170 2001-chrysler-concorde-esi6515751 2013 GMC Sierra 1500 (2WD/4WD)

2013 GMC Sierra 1500 (2WD/4WD) — 4

It is a companion to ALL14474

Purpose-built for 1982–1992 Camaro and Firebird consoles (except ’88–’92 Formula)

X-Large (ALL935075)

Allstar Performance Coolant Crossover Plugs — GM LS-Series, Pair | ALL31170 2001-chrysler-concorde-esi6515751 2013 GMC Sierra 1500 (2WD/4WD)This Allstar Performance cap and plug fitting set consists of coolant crossover plugs made from zinc plated steel, sold as a pair. It is designed for GM LS series engines to block the coolant bypass crossover passages. Spec Sheet: Allstar Spec Sheet Compatibility ENGINE SPECIFIC: GM LS series coolant bypass crossover plugs. FAQ What engine do the ALL31170 crossover plugs fit? The ALL31170 plugs are designed for GM LS series engines. How many plugs