Allstar Performance Carb Shear Plate - Holley 4150 - 1-3/4" Bore 98113 Helmet is not fitted with

Helmet is not fitted with any electronics or side ports

Sold in pairs

LT1 V8 OptiSpark II

100% Aramid Center Layer

Allstar Performance Carb Shear Plate - Holley 4150 - 1-3/4" Bore 98113 Helmet is not fitted withCarb plates with built in shear design help maximize performance on race engines with a large amount of cam overlap by creating a dam under the throttle plates, helping to build low pressure while improving vacuum signal to the carb. 1 2" tall plates are machined from 6061 T6 aluminum and clear anodized to protect against corrosion. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find,