Proform Slant-Edge Gray Aluminum Push-In Raised Bowtie Breather Cap # 141-860 Rate_12 253 308 Hex Intake Manifold

253 308 Hex Intake Manifold Bolt Kit # 105-2001

and improved fuel consumption

Constructed of billet aluminum with a pistol grip shifter

They're also relieved to accommodate wire O-rings on the bottom

Gasket Thickness (in):0

Proform Slant-Edge Gray Aluminum Push-In Raised Bowtie Breather Cap # 141-860 Rate_12 253 308 Hex Intake ManifoldProform Slant Edge Gray Aluminum Push In Raised Bowtie Breather Cap # 141 860 Slant Edge AluminumPush In Air Breather Cap Cast Gray; Raised Machined Bowtie Emblem Fits Hole Size 1. 22"; 2. 5" Diameter Features: Now Available! Made from High Quality Aluminum Push In Style Fits 1. 22 Inch Valve Cover Hole Grommet Not Included Officially Licensed Chevrolet Performance Product Sold each