M12 x 1.5 Steel Body Lug Nuts Gunmetal Body Blue Cap (20 Piece) Intercoolers ** Not compatible with 1999

** Not compatible with 1999 Sierra old body style models

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- JSR diverter valve

Universal application for connecting intercoolers

M12 x 1.5 Steel Body Lug Nuts Gunmetal Body Blue Cap (20 Piece) Intercoolers ** Not compatible with 1999100% brand new items, never used or installed. Universal M12 x 1. 5mm 20 piece steel close ended lug nuts set with locking key. Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements. Manufactured from high quality forged steel with industrial powder coating for superior strength and corrosion protection. Direct bolt on item; no modifications required. * Please remember to use a torque wrench to torque each lug