Product photographs
Photograph 1 of 2
DOCUMENTED FACTS
Part details
- System
- Suspension dampers
- Models named in the evidence
- GTR · Can-Am
- Part type
- Direct replacement
- Manufacturer part numbers
- QZN
- Price
- £1,272
- Price checked on
- 1 Aug 2026
- What the price includes
- Unit, tax and delivery basis not recorded; check with the supplier.
- Supplier price check
- Check price with supplier ↗ (opens in a new tab)
- Availability
- Available
- Availability checked on
- 1 Aug 2026
- How fitment is supported
- Supplier confirmed
- Evidence strength
- Maker or supplier claim
- Organisation in the evidence
- MacG Racing
- Organisation classification
- Current retailer
- Trading/contact status
- Active
- Trading/contact status observed
- 3 Aug 2026
- Organisation website
- https://macgracing.co.uk/product-category/ultima-parts/
Availability context
The supplier snapshot showed the set as purchasable and in stock. Reconfirm stock before ordering.
Fitment and scope
MacG describes these Quantum Zero dampers as a direct replacement for OEM dampers on Ultima GTR and Can-Am models. The supplier page does not claim EVO or RS fitment.
Sources for this part
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MacG Racing - Quantum Zero Ultima dampers
MacG product QZN describes the damper set as a direct OEM replacement for GTR and Can-Am only and showed it as purchasable and in stock in the supplier snapshot dated 2026-08-01.
Other information about the supplier
These sources concern the supplier or other products. They do not establish fitment for this part.
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MacG Racing - Ultima product listings
MacG's current Ultima-tagged catalogue, including wishbones, brake kits, driveshafts, dampers, wheels, pads and exhaust parts.
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MacG Racing - Ultima brake duct kit
MacG product UBDK names GTR, Evolution and Can-Am fitment, expressly excludes the Ultima RS, and was shown as purchasable and in stock in the supplier snapshot dated 2026-08-01.
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MacG Racing - Ultima bump-steer kit
MacG product D0426 names GTR, Can-Am and Evolution fitment, requires the OEM steering-arm taper to be machined parallel for an M14 bolt, and was shown as purchasable and in stock in the supplier snapshot dated 2026-08-01.
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MacG Racing - Quantum One Zero GTR and Can-Am dampers
MacG product Q1Z specifies single-adjustable direct-replacement dampers for GTR and Can-Am; the supplier's live product data showed the price and stock state when checked.
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MacG Racing - Quantum Two Zero GTR and Can-Am dampers
MacG product Q2Z specifies double-adjustable direct-replacement dampers for GTR and Can-Am; the supplier's live product data showed the price and stock state when checked.
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MacG Racing - electronic power-steering kit for Ultima
MacG product EPAS1 says all Ultima models and describes build-stage supply and fitting; completed-car retrofits incur a separate charge.
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MacG Racing - front and rear Ultima anti-roll bar kit
MacG product ARBK names GTR and Can-Am, track-only use, welded chassis and wishbone brackets and an 8–12-week special-order lead time.
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MacG Racing - front-clam cantilever hinge kit
MacG product UltCHK names GTR, Can-Am and EVO and describes clam alteration, chassis welding and a projecting front splitter.
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MacG Racing - uprated road and track spring kit
MacG product QFRTSK names GTR and Can-Am and specifies its Quantum dampers; no spring rates are published in the listing.
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MacG Racing - Pagid RSL29 pads for standard AP CP5200 calipers
MacG product RSL29 STD identifies the standard AP CP5200 four-pot caliper and an endurance compound; it does not name specific Ultima models.
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MacG Racing - Pagid RST1 pads for standard AP CP5200 calipers
MacG product RST1 STD identifies the standard AP CP5200 four-pot caliper and trackday or sprint use; it does not name specific Ultima models.
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MacG Racing - rear wishbones for Ultima models
Current MacG D0427 listing describes four ROPT510 rear wishbones for Ultima models, with anti-roll-bar brackets and optional camber adjustment; rose joints are excluded. The listing states an 8-12 week special-order lead time.
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MacG Racing - carbon-fibre side scoops
Current MacG CSS1 title explicitly names Ultima GTR, EVO, RS and Can-Am. The listing describes a pair of resin-infused carbon-fibre side scoops supplied with fitting instructions.
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Owner report - MacG upper ball-joint installation
Member identity and private source link withheld.
Redacted owner report documents fitting MacG upper ball-joint replacements and rose-jointed suspension arms.
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Owner report - MacG wishbone inspection
Member identity and private source link withheld.
Redacted owner report raises a safety concern about the bearing retention arrangement on one set of MacG front wishbones supplied before December 2023. Current-product equivalence is not assumed.