1971 Holden Monaro Bolt Pattern & Tire Size
The 1971 Holden Monaro OEM tire size, bolt pattern, and wheel specifications are listed below. All data is based on industry-standard OEM reference specifications.
The 1971 Holden Monaro has a 5x120.65 bolt pattern, an OEM tire size of 205/70R14, and a 69.6mm center bore.
Other years of the Holden Monaro
1971 Holden Monaro Engine & Trim Levels
Detailed tire and wheel breakdown for the 1971 Holden Monaro
Tire geometry â 205/70R14
The 205/70R14 fitted to the 1971 Holden Monaro has a section width of 205mm and an aspect ratio of 70%, mounted on a 14-inch rim. That gives a sidewall height of 143.5mm (5.65") and an overall outside diameter of 642.6mm (25.30"). At highway speed this tire completes roughly 495 revolutions per kilometre, which is what your speedometer and odometer are calibrated against.
Plus-sizing window
If you want to upsize wheels on the 1971 Holden Monaro while keeping the speedometer accurate, target a 215/61R15 (plus-one). For a softer ride or winter setup, a 195/80R13 (minus-one) keeps the overall diameter within Âą3% of stock, which is the industry tolerance for ABS and stability control to stay calibrated.
Wheel fitment specs
The 1971 Holden Monaro uses a 5x120.65 bolt pattern with a 69.6mm hub bore. Safe rim width range for the OEM tire is 5.5J â 6.5J, and offsets in the ET38 â ET48 window will clear suspension and fender without rubbing on most setups.
Tire pressure guidance
Manufacturer-recommended cold tire pressure for the 1971 Holden Monaro is printed on the driver-side door jamb sticker â always defer to that value, not to the maximum pressure printed on the tire sidewall. Check pressure monthly and before long trips; under-inflation by 20% can reduce tread life by 25%.
OEM Wheel & Tire Specs
Frequently Asked Questions
What tire size does the 1971 Holden Monaro GTS 350 use?
The 1971 Holden Monaro GTS 350 uses 205/70R14 tires as standard equipment.
What is the bolt pattern of the 1971 Holden Monaro?
The 1971 Holden Monaro has a 5x120.65 bolt pattern with a center bore of 69.6mm.
What is the wheel offset of the 1971 Holden Monaro?
The 1971 Holden Monaro has a wheel offset of ET43.
Other Vehicles with 5x120.65 Bolt Pattern
The following vehicles share the same 5x120.65 bolt pattern as the 1971 Holden Monaro, making wheel interchangeability possible (verify offset and center bore before swapping).