MacG Racing Quantum One Zero single-adjustable dampers

These sources concern the supplier or other products. They do not establish fitment for this part.

1. MacG Racing - Ultima product listings

   MacG's current Ultima-tagged catalogue, including wishbones, brake kits, driveshafts, dampers, wheels, pads and exhaust parts.

2. 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.

3. 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.

4. 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.

5. 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.

6. 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.

7. 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.

8. 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.

9. 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.

10. 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.

11. 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.

12. 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.

13. 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.

14. 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.

15. 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.