BD-Built Duramax LLY Premium Stock Injector (0986435504) Silverado/Sierra 6.6L 2004.5-2006 BD Diesel Soft Parts for XX-11332 " part number 421030

part number 421030

these Studs out-perform even the most venerable manufacturer

Dyno-Proven Gains up to +60 HP & +120 Lbs

The CNC machined billet 6061-T6 aluminum construction features a steel retainer clip and a Viton O-ring

BD-Built Duramax LLY Premium Stock Injector (0986435504) Silverado/Sierra 6.6L 2004.5-2006 BD Diesel Soft Parts for XX-11332 " part number 421030BD Built Stock replacement Injectors are OE quality, assembled using OE procedures, and fully calibrated and tested to ensure perfect operation. Install Time: 5 Hours 30 Minutes Warranty: Parts 24 Months Note: No Hassle Warranty Manufacturing and material defects only covered. Cracks caused by high fuel pressure not covered. High Return flow not covered after 12 months on Performance Injectors Note: Replaces # 0986435504, 0445120027 Replaces GM#