Auto Ventshade Original Ventvisor Front / Rear Side Window Visor - Stick-On - Dark Smoke - Crew Cab - Ford Fullsize Truck 2004-08 016437NRRS These tests are conducted daily

These tests are conducted daily in Isky's new enlarged dyno facility

1987 Chevrolet R20 CID 400

For best results check oil catch cans every 500 to 1K miles and dispose of contents when needed

Adjustment: 1 1/2" (three holes

Auto Ventshade Original Ventvisor Front / Rear Side Window Visor - Stick-On - Dark Smoke - Crew Cab - Ford Fullsize Truck 2004-08 016437NRRS These tests are conducted dailyAVS Original Ventvisor is an external mount side window deflector with an unique design that allows fresh air to circulate through open windows while keeping the weather out reducing interior heat and window fogging. Original Ventvisors are made in the USA and come with a Limited Lifetime Warranty. Easily refresh the air in your cab without letting rain or weather in just crack the window to remove stale, stubborn odors from things like pets, smoking