01-10 Chevrolet/GMC LB7 LLY LBZ LMM Duramax Mega Filter Retrofit Kit Kingsport Grey HSP Diesel S&M Polyurethane bushings limit deflection and

Polyurethane bushings limit deflection and prevent differential movement under load

and prevents shock oil aeration

We recommend using the 5-foot length Unimatic shift cable for most Ford and GM applications

Cylinder Head Bolts Not Included - Valve Cover Gasket Not Included

9L Nozzle Set: 30 percent over nozzle set

01-10 Chevrolet/GMC LB7 LLY LBZ LMM Duramax Mega Filter Retrofit Kit Kingsport Grey HSP Diesel S&M Polyurethane bushings limit deflection andUpgrade your existing HSP 4. 5 inch intake with the HSP Mega Filter Retrofit Kit. This kit converts earlier PRIOR TO 3 12 2026 HSP intake systems to the latest square Mega Filter and aluminum heatshield box design, delivering improved airflow, increased filtration area, and easier serviceability. Why You Need the HSP Mega Filter Retrofit Kit The new square HSP Mega Filter flows approximately 10 percent more air than the previous round filter design