Allstar Performance Carb Shear Plate - Holley 4150 - 2.125" Bore 411993 For more information on the

For more information on the X1 Series Regulators

1977-1978 GMC G25

They need to be in excellent condition to work properly

vailable in: Black

1976-1980 Buick Electra

Allstar Performance Carb Shear Plate - Holley 4150 - 2.125" Bore 411993 For more information on theCarb 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,