SKU:CP8530-2S0BG
AP Racing
AP Racing World Radi-CAL 1 4-Piston Caliper CP8530 (Ø390mm x 32mm Disc)
AP Racing World Radi-CAL 1 4-Piston Caliper CP8530 (Ø390mm x 32mm Disc)
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Description
Description
A four-piston World Radi-CAL 1 caliper from AP Racing for performance road cars (front): a forged two-piece aluminium body with aluminium pistons, radial mounting on 195mm centres and discs up to Ø390mm, 32mm thick. Sold per caliper in black, red, yellow or white, right or left hand, trailing or leading.
- 4 pistons (Ø38.1mm and Ø41.3mm), 49.56cm² piston area
- Forged two-piece aluminium body, aluminium pistons
- Radial mount, 195mm centres
- Discs up to Ø390mm, 32mm thick
- Black, red, yellow or white paint finish
Check before you order
- Priced per caliper: one axle needs a right-hand and a left-hand caliper.
- This is the caliper on its own: discs and mounting brackets are not included.
- Trailing calipers sit behind the axle, leading calipers in front of it: choose the handing that matches where the caliper mounts on your car.
| Part numbers | CP8530-[2-5]S0 + colour: -2 RHT, -3 LHT, -4 RHL, -5 LHL; colour BG black, R2 red, Y23 yellow, W1 white (e.g. CP8530-2S0BG) |
|---|---|
| Range | World Radi-CAL 1 (WR1), 4-piston |
| Piston sizes | Ø38.1mm and Ø41.3mm |
| Piston area | 49.56cm² |
| Use | Performance road, front; AP Racing's factory Radi-CAL brake kits |
| Front axle, gross vehicle weight up to | 2,210kg (front-engined car) / 2,580kg (rear-engined car) |
| Body | Forged two-piece aluminium alloy |
| Pistons | Aluminium alloy |
| Mounting | Radial, 195mm centres |
| Discs | Up to Ø390mm, 32mm thick |
| Mounting offset | 36.0mm |
| Mounting hole | 12.1mm |
| 'PL' dimension | 55.0mm |
| Weight (no pads) | 3.35kg |
| Hydraulic thread | M10x1.0 |
| Bleed screw torque | 17Nm |
| Brake pad | CP6600D55: area 64.6cm², depth 55.0mm, thickness 16.75mm |
| Seals | Boot-type dirt seals |
| Pad clip | Pad anti-rattle clip fitted |
| Paint finish | Black (BG), red (R2), yellow (Y23) or white (W1) |
| Seal repair kit | CP4527-JK |
| Spare pistons | Ø38.1mm CP8335-110, Ø41.3mm CP8335-111 |
| Discs AP Racing list to suit | 32mm: Ø356x32mm CP7177-110G8 / -111G8; Ø362x32mm CP4542-112CG12 / -113CG12; Ø380x32mm CP5914-188GA / -189GA; Ø390x32mm CP7177-130CG12 / -131CG12 |
| Part number 'S0' | S0 in the part number: side feed inlet, no anti-knockback spring |
Fitting notes
- Bleed screws must be at the top.
- The disc must pass the smaller piston first (differential bore calipers).
- AP Racing say brake parts should only be fitted by people experienced in fitting disc brake systems.
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Contact Us
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Tel: 01268 692 220 Email: sales@fdracing.co.uk
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Many enthusiasts have trusted the FD Racing brand for their performance automotive needs. Providing top quality products and service to customers worldwide, FD Racing wants to grow to be one of the most recognized names in this vastly diverse industry!
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