Mr. Gasket Differential Cover Kit - Chrome - Truck - GM 12-Bolt DK13231SFI 5-1/2 in Long

5-1/2 in Long

Progressive 2-1/2" I

Must have substantial airflow upgrades

The GP-1 20W-50 is ideal for high performance flat tappet

Mr. Gasket Differential Cover Kit - Chrome - Truck - GM 12-Bolt DK13231SFI 5-1/2 in LongMr. Gasket Differential Cover 9895 Includes 12 Bolts and Gasket Heavy Gauge Steel Chrome Plated Applications include: Blazer, Blazer K5, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20 Suburban, G10 Van, G15 G1500 Van, G20 Van, G25 G2500 Van, Jimmy, K10 Pickup, K10 Suburban, K15 Pickup, K15 Suburban Vehicle Applications: 1969 1974 Chevrolet G20 Van 1979 1981 GMC G2500 1979