Shop Exact-Fit 1978 Triumph TR8 Wheels & Custom Rims
Showing compatible wheels for the 1978 Triumph TR8 matching 5x114.3 / 5x112 bolt pattern, 17, 18, 19, and 20 inch diameters, and 7.5"–9" widths from Lexani, Savini, TSW, ESR Wheels. Filter by rim size, width, or finish and build a complete wheel & tire package.
- Diameter
- 17, 18, 19, 20
- Width
- 7.5, 8, 8.5, 9
- Bolt pattern
- 5x114.3, 5x112
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1978 Triumph TR8 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 TR8. By matching your 1978 Triumph TR8 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 Lexani, Savini, TSW, ESR Wheels, Niche 1PC, American Racing Vintage, you can choose custom rims with confidence or build a complete 1978 Triumph TR8 wheel and tire package.
| Specification | Verified Fitment Details |
|---|---|
| Vehicle & Year | 1978 Triumph TR8 |
| 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 | Lexani, Savini, TSW, ESR Wheels, Niche 1PC, American Racing Vintage |
1978 Triumph TR8 Rim Sizes & Wheel Construction Guide
Popular wheel fitments include 17 inch wheels for 1978 Triumph TR8, 18 inch wheels for 1978 Triumph TR8, 19 inch wheels for 1978 Triumph TR8, 20 inch wheels for 1978 Triumph TR8 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 Lexani, Savini, TSW, ESR Wheels, Niche 1PC, American Racing Vintage whenever bolt pattern, center bore, offset, and load rating align.
1978 Triumph TR8 Wheel & Fitment FAQs
What is the exact wheel bolt pattern, hub bore, and lug specification for the 1978 Triumph TR8?
The 1978 Triumph TR8 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 TR8?
All 1978 Triumph TR8 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 TR8?
For daily driving, 1978 Triumph TR8 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 TR8?
Shop Wheels Direct features guaranteed-fit wheels for the 1978 Triumph TR8 from leading brands like Lexani, Savini, TSW, ESR Wheels, all precision-engineered for the 5x114.3 / 5x112 bolt pattern.