20B Rotary Exhaust Port Cover – 1/4” Acrylic

Product Description

This 20B Rotary Exhaust Port Cover is designed to protect open exhaust ports from debris, dust, and moisture during engine storage, transport, teardown, and fabrication work. Laser cut from 1/4” thick acrylic, it provides a rigid, durable seal while allowing quick visual confirmation that the exhaust ports remain fully covered. Ideal for engines on stands, palletized motors, or vehicles undergoing long-term projects, this cover is intended for non-operational use only and is not rated for heat or pressure.

Note: Product images shown feature the Smoked Grey acrylic finish. Multiple colors and finishes are available—please select your preferred option before checkout. Engine components and accessories shown in photos are not included with the cover. 

Key Features

• Fits Mazda 20B rotary exhaust ports
• Laser cut from 1/4” thick acrylic
• Heavy-duty thickness for storage and transport
• Prevents debris and moisture intrusion
• Clear material allows visual inspection
• Designed for non-running engines only

Applications

• Engine storage
• Engine transport
• Teardown & rebuilds
• Fabrication and mock-up
• Shop and display use

⚠️ Not intended for use on a running engine or exposure to exhaust heat.