aFe MagnumFLOW Air Filters IAF A/F P5R 3-1/2F x 6B(INV) x 5-1/2T (INV) x 9H 1976-gmc-k25-sierra-classic-esi5393620 If you're unsure what kit

If you're unsure what kit is right for you

like shovels

ZM8-HDR4 kit features ACT's most popular Heavy Duty pressure plate

HC7-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

aFe MagnumFLOW Air Filters IAF A/F P5R 3-1/2F x 6B(INV) x 5-1/2T (INV) x 9H 1976-gmc-k25-sierra-classic-esi5393620 If you're unsure what kitConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings.