1978 Triumph Spitfire Custom Tires & Wheels Fitment Guide
Browse compatible tires for the 1978 Triumph Spitfire matched to 17-20" wheel diameters and 7.5-9" widths.
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1978 Triumph Spitfire Wheel Fitment Specs: 17"–20" Rim Sizes, 7.5"–9" Widths & 5x114.3 PCD
Every aftermarket wheel shown above is pre-filtered for the 1978 Triumph Spitfire. By matching your 1978 Triumph Spitfire lug pattern (5x114.3, 5x112), compatible rim diameters (17, 18, 19, and 20 inch), and 7.5", 8", 8.5", 9" widths against inventory from ADVANTI RACING, KMC, 1AV, Lexani, Savini, TSW, you can choose custom rims with confidence or build a complete 1978 Triumph Spitfire wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 1978 Triumph Spitfire |
| Bolt Pattern (PCD) | 5x114.3, 5x112 |
| Supported Diameters | 17", 18", 19", 20" |
| Supported Widths | 7.5", 8", 8.5", 9" |
| Center Bore | 66.6 mm |
| Compatible Brands | ADVANTI RACING, KMC, 1AV, Lexani, Savini, TSW |
1978 Triumph Spitfire Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 17 inch wheels for 1978 Triumph Spitfire, 18 inch wheels for 1978 Triumph Spitfire, 19 inch wheels for 1978 Triumph Spitfire, 20 inch wheels for 1978 Triumph Spitfire matched to 7.5"–9" widths and 5x114.3 / 5x112 bolt patterns. You can safely run cast alloy, flow-formed, or forged custom wheels from brands such as ADVANTI RACING, KMC, 1AV, Lexani, Savini, TSW whenever bolt pattern, center bore, offset, and load rating align.
1978 Triumph Spitfire Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 1978 Triumph Spitfire?
The 1978 Triumph Spitfire is engineered with a 5x114.3 / 5x112 bolt pattern and a 66.6 mm center bore and accommodates wheel diameters of 17"–20" with rim widths of 7.5"–9". Installing hub-centric wheels guarantees zero highway vibrations.
How do I verify aftermarket wheels clear the brakes on my 1978 Triumph Spitfire?
All 1978 Triumph Spitfire wheels listed on Shop Wheels Direct are verified against factory brake caliper profiles and the 5x114.3 / 5x112 bolt pattern across 17"–20" diameters and 7.5"–9" rim widths.
What is the recommended wheel upgrade size for daily driving the 1978 Triumph Spitfire?
For daily driving, 1978 Triumph Spitfire owners commonly choose 17"–20" diameter wheels in 7.5"–9" widths with a 5x114.3 / 5x112 bolt pattern, offering sharp responsiveness while preserving factory ride comfort.
Which top wheel brands have guaranteed-fit rims for the 1978 Triumph Spitfire?
Shop Wheels Direct features guaranteed-fit wheels for the 1978 Triumph Spitfire from leading brands like ADVANTI RACING, KMC, 1AV, Lexani, all precision-engineered for the 5x114.3 / 5x112 bolt pattern.