Fitment
Will this fit?
Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
The compound
Wilwood BP-40.
Built for oval, dirt and off-road use, and one of the compounds Wilwood specify as safe on titanium rotors. Strong friction with a flatter curve than BP-30.
Operating range88–649°C
Friction µ0.43–0.53
Pad lifeWear Rate: Medium-Low (published qualitative, fl227). 'Long wear rates with iron and steel rotors.' No quantified figure - NOT PUBLISHED.
Cross-brand equivalents
Run something similar.
These are the compounds we stock for the Wilwood Dynapro 7812 / 7816 whose published friction and operating temperature come closest to Wilwood BP-40. They are a starting point for switching brands — not a guarantee of identical feel, because each manufacturer measures friction on their own equipment.
Circo M119
Very close50–800°Cµ 0.48–0.51
Circo’s sprint answer: around 0.5 friction from 50°C, so it works before the pads are hot. Rally and circuit.
Matched on published friction and operating temperature.
From $508WinmaX W6.5
Very close50–800°Cµ 0.47–0.50
The standout for sprints and hillclimbs: close to 0.5 friction from a 50°C floor, so it bites on lap one. WinmaX call it their best rally pad.
Fits the same caliper
More pads for the Wilwood Dynapro 7812 / 7816.
Pairs well with
