duramax-lb7-cup-o-rings-red-loctite Home / Chevy / GMC Duramax Injectors / LB7 2001-2004.5 / Chevy / GMC Duramax LB7 Accessories / 2001-2004.5 Duramax LB7 Standard Injector Install Kit / duramax-lb7-cup-o-rings-red-loctite Written By Anna Mullen April 23rd, 2021 Share this...FacebookPinterestTwitterLinkedin