Billet Style Aluminum Breathers Without PCV Valve
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1/4"-20 thread, 1-1/2" long studs come with nylocks and washers. Set of 8 are included.
Billet aluminum cap and base. Weld or screw to your valve cover, oil tank or rear end. Knurled cap with O-ring seal.
- 1-1/4" inside diameter
- 1-1/4"-12 thread pitch
Note: If using this fill cap in a bolt-on manner, (3) #4 screws/bolts with a countersunk head are required (not included). Bolt hole size is 1/8".
Nostalgic finned valve cover breather. Use with grommet 550-6375 to fit a 1-1/4" I.D. hole (typical aftermarket valve cover).
Nostalgic finned valve cover breather with built in PCV insert. Use with grommet 550-6375 to fit inside a 1-1/4" I.D. hole (typical aftermarket valve cover).
Premium chrome plating and classic styling make this hold down the first choice of rodders everywhere! Threads are extra-long to accomodate nearly any combination of valve cover, clamps and gasket thickness. Just cut off to length you need. Sold individually.
Wing nut has 1/4" coarse threads.
This finned valve cover breather is a classy addition to your engine. Constructed from aircraft grade A356 aluminum, it is polished to meet show quality standards.
- 3" in diameter with a 1" neck
- Fits into grommet with 1" hole
- High quality polished aluminum construction
- Made in USA
Polished aluminum breathers come with rubber grommets for 1.250" hole.
This is a handy little item. Basically, it's a bolt-in breather opening for a valve cover that can be used to install a breather cap, an oil fill cap, or a breather with a PCV valve.
To install this item, you must make a 1-7/16" hole in the valve cover. You may want to purchase 91011033, our billet breather and/or 91011034, our billet PCV valve.
Each chrome push-in style oil breather cap fits factory and after market valve covers with a 1-1/4" diameter hole, with rubber grommet.
It’s the details that make your motor stand out. Billet Specialties engine accessories finish your motor with high tech style and top quality materials. Precision machined from 6061-T6 billet aluminum and polished to a mirror finish, our engine accessories will take your motor to the next level.
Available in push-on style.