Allstar Performance Arm Bolt for Birdcage, 1/2-20 in thread, 3.5 in long, hex head, steel with cadmium plating, sold each. This is the torsion arm mounting bolt specified for Allstar's standard and non-wing aluminum sprint car birdcages.
Spec Sheet: Allstar Aluminum Birdcages Spec Sheet
Compatibility
Listed on Allstar's own spec sheets as the arm bolt for its standard aluminum birdcages (ALL55040 Left, ALL55042 Right) and non-wing aluminum birdcages (ALL55044 Left, ALL55046 Right). For the XP aluminum birdcage, use the shorter 2 in Arm Bolt (ALL55056) instead.
FAQ
What birdcages does this bolt fit?
Allstar's spec sheets list this bolt for its standard aluminum birdcages (ALL55040/ALL55042) and non-wing aluminum birdcages (ALL55044/ALL55046).
What size is this bolt?
1/2-20 in thread, 3.5 in long, hex head, cadmium-plated steel.
Will this bolt work on an XP birdcage?
No — the XP aluminum birdcage uses the shorter 2 in Arm Bolt, ALL55056.

