Made from lightweight aluminum with a beautiful polished finish
The superior baffle design insures open air passages at all times
Will not leak oil even at extremely high RPM's
Base measures 1-3/4" x 4-3/4" and is a total of 5" tall
Breather includes a lower baffle plate in addition to featuring internal layer type baffle

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Key Specs

MFG. Part #	4039
Material Type	Aluminum
Finish	Polished
Overall Height	4.50"
Attachment Style	Bolt-on

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Details

This Offy valve cover breathers' superior baffle design insures open air passages at all times - no oil leakage even at extremely high rpm's. It's made of polished cast aluminum and is 5" tall. The base measures 1-3/4" x 4-3/4". The top of this breather is NOT removeable. Breather includes a lower baffle plate in addition to featuring internal layer type baffle where one plate is over the other. It allows the air to breath, but keeps the oil baffled below.

Includes gasket, bolts and mounting hole template.

Charts

Breather Cut-Away View (GIF)

Specs

Lid is NOT removeable
Bolt Hole Centers: 4.00"
Overall Height: 4.50"
Base: 1-3/4" x 4-3/4"

CARB warning

Specifications

KEY SPECS
MFG. Part #	4039
Brand	Offenhauser
Material Type	Aluminum
Finish	Polished
Overall Height	4.50"
Attachment Style	Bolt-on

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