Another Thread question.

[RoyC]

What is the thread for the fillister head bolts that hold the primary and timing covers on ?

[RDfella]

1/4 Whit if I recall.

[RoyC]

1/4 Whit if I recall.

Thank you for that RDfella.

RoyC.

[muskrat]

G'day Roy.
RD is correct 1/4 BSW. About the only bolt/screw screwing into alloy on our A's is the rocker bolts going into an alloy head. 5/16 BSF.
Cheers

[berger]

musky they go into brass inserts on ally ED not direct into ally

[ironhead]

What is the thread for the fillister head bolts that hold the primary and timing covers on ?

The 3 big ones on s/arm models are 5/16" W