Part No.: TT30431 Mfr# T 1500CK T

Gearbox 5 Speed Conversion Kit Spitfire 1500 - TT30431 - Frontline


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Triumph Spitfire Gearbox and Gearbox/Overdrive Units 'Triumph Spitfire Gearbox and Gearbox/Overdrive Units'
Product Description

Gearbox 5 Speed Conversion Kit Spitfire 1500 - TT30431 - Frontline
Frontline's five-speed conversion for Spitfire 1500 is a complete replacement kit with everything you need to achieve modern day driver comfort and performance.

The ultra-smooth action of the five-speed gearbox is an instant benefit. With a synchromesh first gear and quieter reverse the vibration and hassle are taken out of town driving. With similar ratios from first to fourth, the performance through the gears is unaffected, and the added benefit of a 0.82:1 fifth gear gives a reduction of 1,200rpm at maximum speeds, giving faster and more relaxed cruising.

The robust gearbox and replacement clutch release arrangement replace the weaker original system, giving an almost maintenance free transmission.

The conversion involves minimal cosmetic or structural changes and the specially modified gear change puts the gear lever in the original position, with no modifications required to the upper area of the tunnel.

The conversion kit includes: Fully reconditioned gearbox, replacement bell housing, clutch mechanism, chassis crossmember, speedo cable, hardware & instructions.

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£4,235.63 ex VAT£5,082.76 inc UK VAT
Out of stock, expected soon Sep 01, 2026. Add to cart and Back Order
Customer Comments
"EXCELLENT service prompt delivery, and no problem returning parts incorrectly ordered," Customer Comment