Rock auto is doing a mislead. See pic.PPV front brakes - 2011 to 2017 all the same:I have read that 2014+ caprice ppv has dual piston and giant rotors, sub 2013 caprice has big rotor single piston. Info from rock auto and the internet so I could be wrong. =D
- Rotor is 345mm x 30mm
- Caliper is single-piston floating design, uses a high-performance pad with Ferodo HP1000 friction material--same material spec as used on Brembo brakes found on G8 GXP & Chevy SS sedan.
Pad is FMSI D1404 spec.
Standard G8 rotor is 321mm--a good upgrade for G8 is fitting the full PPV setup, or using the PPV 345 rotors with Brembo calipers from 2016/newer Camaro SS or CTS (calipers for 345mm rotors, direct bolt-on to sedans). For G8, caliper mount bolts require opening 12mm holes in knuckles/spindles to 14mm.
Full details - the key to any brake upgrade is a larger rotor, regardless of caliper design or number of pistons.
I really want brembos in the future, but this is just maximizing stock system for now within budget
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