MOMO Steering Wheel Boss - Triumph (GT6, Herald, Spitfire, TR4, TR5, TR6 and Vitesse)

Designed for a wide range of classic Triumph models, this MOMO steering wheel boss provides a mounting solution for fitting a compatible aftermarket steering wheel. Its application covers several Spitfire generations alongside the GT6, Herald, TR4, TR5, TR6 and Vitesse, making it suitable for owners of these iconic British cars.

Manufactured in Italy, this MOMO boss features a collapsible construction. It is designed for steering columns with 36 splines measuring 16mm in diameter and accepts steering wheels using a 6-hole, 70mm PCD mounting pattern. The kit includes the required installation accessories.

Vehicle Applications

• Triumph GT6

• Triumph Herald

• Triumph Spitfire MK1 – 1962–1964

• Triumph Spitfire MK2 – 1964–1967

• Triumph Spitfire MK3 – 1967–1970

• Triumph Spitfire MK4 – 1970–1974

• Triumph TR4

• Triumph TR5

• Triumph TR6

• Triumph Vitesse

Steering Wheel Bolt Pattern Compatibility

• 6 x 70mm PCD: MOMO, Sparco, OMP, Simoni Racing and Mountney M-Range

Technical Specifications

• Brand: MOMO Italy

• Spline Diameter: 16mm

• Spline Count: 36 splines

• Boss Type: Collapsible

• Steering Wheel PCD: 6 x 70mm

• Manufacturing: Made in Italy

• Kit Includes: Fixing screws, Allen key and horn button retaining ring

Key Benefits

• Suitable for a broad range of classic Triumph models

• Covers several generations of the Triumph Spitfire

• Compatible with aftermarket steering wheels using a 6 x 70mm PCD

• Collapsible boss construction

• Supplied with mounting accessories

• Italian-made MOMO quality

Important – Fitment Check

Please check the spline diameter and spline count of your steering column, together with your steering wheel’s PCD, before ordering. Production years can vary by model and market. If unsure, confirm compatibility with your exact vehicle. Product images are for illustration purposes only.

About MOMO

With over 50 years of experience in high-performance automotive accessories, MOMO is a benchmark brand for car enthusiasts worldwide.
From iconic retro-inspired Heritage designs to race-proven ergonomics and continuous innovation for road use, MOMO represents Italian excellence, with products 100% handmade in Italy.