Triumph Bonneville 1959-63 Fine 20TPI Thread Screw-In Intake Manifold

Screw-in, Fine 20TPI x 1-1/4" thread, intake manifold designed to replace stock manifold for Triumph Bonnevilles 1959-1963.

All MAP manifolds were designed and tested on a SuperFlow test bench for the best flow possible. Their perfect fit and ease of installation make these MAP designed and manufactured manifolds simply the best in the business for your Triumph, BSA and Norton.

• Screw-in manifold adapter for spigot mount carbs with a 40mm spigot
• Fine thread (20 tpi x 1-1/4")
• 1.25" OD at head
• 1.5" OD at the head
• 1.65" OAL
• 1.07" ID at head
• 1.22" ID at carb
• Sold individually