AP RACING
AP RACING CP6840-5S4L BRAKE CALIPER RADI-CAL (GK)LHLX32.0-CP6840
AP RACING CP6840-5S4L BRAKE CALIPER RADI-CAL (GK)LHLX32.0-CP6840
In Stock
Available to Order
Available on Stock Order
Price Match Guarantee
If you find a lower price at an eligible US retailer website, we will match it.
Questions about this part?
Our technical advisors can confirm fitment for your vehicle. Contact us with your vehicle details.
4 Piston - WRC/S2000 - Forged Radi-CAL - Front - CP6840
Applications:
- WRC Turbo.
- S2000 Tarmac / Gravel Specifications.
- Manufactured to meet FIA R4T & R5 cost cap.
Features:
- Radial mount, 180 x 42mm centres.
- Forged monobloc Aluminium alloy body.
- Suits 355 or 300 x 32mm iron discs.
- Benefits from radical asymmetric design concept for superior dynamic performance.
- Ducted air cooling features, reduces caliper temperatures.
- Monobloc aluminium alloy body.
- Internally Ported
- No external bridge pipe.
- Available with either a "Push In" or an "M10 x 1.0 Threaded" Inlet.
- Stainless steel pistons.
- High temperature, low drag seals fitted as standard.
- Manufactured with bleedscrew and pipe protection.
Part Numbers:
Calipers with "Push-In" inlet.
- RHL = CP6840-4S4L
- LHL = CP6840-5S4L
Calipers with "M10 x 1.0 Threaded" inlet.
- RHL = CP6840-6S4L
- LHL = CP6840-7S4L
Brake Pad Information
- Gravel Pad CP6820D46
- Pad Area = 61.7cm²
- Pad Depth = 46.0mm
- Thickness = 16.0mm
- Tarmac Pad CP6820D48
- Pad Area = 63.2cm²
- Pad Depth = 48.0mm
- Thickness = 16.0mm
TECHNICAL SPECIFICATIONS
Piston Sizes - mm
- 34.9 x 2
- 41.3 x 2
Piston Area cm³ 45.9
Disc Diameter - mm
- Max = 355.0
- Min = 300.0
Disc Thickness - mm 32.0
Weight (no pads) - Kg 2.16
Hydraulic Threads M10x1.0
Mounting Type Radial
Mounting Centres - mm 180.0
Mounting Offset - mm 42.0
Mounting Hole - mm 10.175
PL Dimension - mm 57.5
Bleed Screw Tightening Torque 17Nm
Dry Break Tightening Torque 13Nm
SPARE PARTS
Pistons
- 34.9mm = CP6820-106
- 41.3mm = CP6820-107
Seal Repair Kit CP8518-GK
Wear Plates - CP6820-113 x 4
Beam Wear Plate = CP6820-109
Anti-Knockback Springs CP6518-4LBLL
Bleed Screw CP3880-1
Feel free to contact us at info@mlperformance.co.uk should you wish to double check!
To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number (UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.
AP-RACING-CP6840-5S4L
Manufactured by
AP RACING

Price Match Request
-
Price Match Guarantee
We are committed to giving you the best price. if you find a lower price on the same item at an eligible US retailer website, we will match it.
-
Fast US Delivery
For in-stock item, get guaranteed fast US delivery. Same day dispatch available on in-stock items if your order is placed before 1pm ET.
-
Worldwide Shipping
We ship worldwide via DHL International, simply enter your full address at checkout to see the shipping option(s) and quote(s). Same day dispatch available if your order is placed before 1pm ET on all in stock items!
We appreciate your feedback. Your opinions will help us provide you the best shopping experience.
- Choosing a selection results in a full page refresh.
- Opens in a new window.