Hoppers Stoppers Custom Brake Upgrades
Rotors – 290 X 28 AU2 = DBA 502 Blanks for all but Ford pattern
Hub patterns available
HQ – WB 4.75 “x 7/16 PCD, 2.75 nose
HK – HG 4.25” x 7/16 PCD, 2.50” nose
COMMODORE – 120mm x M12 by 1.5 pitch
FORD 4.50” PCD X 1/2 “ unf
Bearings seals and grease caps– Standard Holden (Different seals used in kits.)
All fit to rear – no other big modifications (swap stubs left to right on Torana)
Some stubs need rough centre area ground flat. New bracket now fixes this
Most 15 inch wheels clear. Will need to check clearance. Either send in wheels or ask for measurements on different kits suiting your needs.
Simmonds need spacers 8mm thick to clear wheel rim nuts.
Offset change 2.5mm / side out on LH/UC , 16mm on LC/LJ/HR
Commodore offsets are a good fit Torana / HR Front Ends we make this + 8mm on these orders
Standard 1 inch master cylinder and booster will work with kit.
Rear Brakes – All rear brakes Ok for standard car, 279 x 10mm disc upgrade available if heavy braking will be used on car if upgrade is required.
Commodore rear discs a good idea (complete diff narrowed as required)
Then remove residual valve and prop valve
Long Studs available plus $100.00 HQ / Torana / Ford
Torana stubs are 9° KPI
HQ and HR are 7 ½ ° KPI – don’t mix.
HK / Torana wheels may have 2 ½ inch centre hole
HQ / Commodore usually 2 ¾ inch
ENGINEERS CERTIFICATE AVAILABLE FOR THIS KIT
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