PPM Rear End Breather for Quick Change 29116P 3 in terms of oil

3 in terms of oil ageing and oil film resistance (extended drain interval: on-board computer)

Single ports-up style filter mount

GM Trailblazer / Envoy 2002-07

3/8" NPT Turbo Drain Back (Gen 2 Blocks Only)

PPM Rear End Breather for Quick Change 29116P 3 in terms of oilRear End Breather Vent eliminates the need for hose or breather filter. Goes on top of quick change. PPM Racing Products specializes in racing suspensions. Their product lineup includes tubular control arms, coil springs, brake caliper brackets, shock mounts, and spindles, and much more. Product Description: Rear Axle Assembly Vent Straight 3 8 in NPT Male Aluminum Black Anodized Quick Change Sold Individually