These CNC milled aluminum center bolt valve covers are available in short or tall heights with a 1-1/4 inch diameter breather hole positioned between the rockers to reduce oil splash. Billet Specialties center bolt valve covers are produced from a high-grade aluminum that is polished to Billet Specialties high standards.
- Includes SS Bolts
- Includes Grommets
- Accepts 1-14 Inch Breather
Short Valve Covers - 2-3/4 Inches Tall
Tall Valve Covers - 3-3/4 Inches Tall
Sold in pairs.
Valve Cover Hold Downs
CNC machined billet valve cover hold downs are the perfect compliment to Billet Specialties aluminum valve covers. Hex, Ribbed, and Acorn styles include 1/4-20 studs for most applications. Hold downs should only be used on the exhaust side of big block Chevy tall valve covers. Sold in packs of 4.
Dimensions: 2-7/8" tall
Breathers and PCV Breathers
Billet Specialties breathers are precision machined in the USA from 6061-T6 billet aluminum and feature a unique 2 pc. design with a positive O-ring seal. Breathers are easily maintained with a washable filter element, while the PCV breather features a common replaceable PCV valve with a barbed fitting for 3/8” hose.
Available for 1” or 1-1/4” diameter valve cover holes.
Click the picture to view our selection of breathers.