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Product Summary

1955 Chevy, 57-02 Chevy, Oval Track Cars, Aluminum

  • Allow crankcase pressure to vent upward without having to fight the oil trying to drain into the pan
  • Keeps oil from draining directly onto the cam and causing windage and power loss
  • 1/4" NPT

Key Specs

MFG. Part #91515900
BrandSpeedway Motors

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Speedway Motors 91515900 Details

Screw into the oil drain back holes above the camshaft and benefit in 2 ways; First, they allow crankcase pressure to vent upward without having to fight the oil trying to drain into the pan. Second, they keep the oil from draining directly onto the cam causing windage and power loss.

Set of 8.

Speedway Motors 91515900 Specifications

KEY SPECS
MFG. Part #91515900
BrandSpeedway Motors
GENERAL
Overall Length2.00"
Outside Diameter.45"
Inside Diameter.25"
Thread Length.50"
Thread Pitch1/4" NPT
Wrench TypeHex
Wrench Size9/16"
Material TypeAluminum
FinishNatural
Sold in QuantitySet
NotesSet of 8.