Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines BLOWER-PF-1X The machined nylon insert helps

The machined nylon insert helps eliminate part of the shock transferred to chassis while providing the weight savings

Mount bolts to the engine

Aluminum spacers properly space and align pulleys when used with a 1/8" keyed mandrel

Hydration Hole/Plug Front and Center in Chin Bar with easy set up

Allstar Performance Exhaust Block Off Plates - GM LS-Series Engines BLOWER-PF-1X The machined nylon insert helpsAluminum block off plates seal exhaust ports during engine storage or repairs. Plates help protect against moisture, dust, and dirt. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar