Hoppers Stoppers Custom Brake Upgrades
Rotors – 300 X 28 BA Ford DBA 504 – Blanks Drilled to Order
Calipers – AU2 / 4 Piston Special caliper.
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 grease caps – Standard Holden. (different seals used in kits).
All fits opposite steering arms –usually no modifications at all
Check top control arm to caliper clearance as HK/T/G and HZ /WB may touch.
Minimum 15-inch wheels in HQ and Ford offsets
Minimum 16-inch wheels in Commodore and HK and AU/BA offsets
Simmonds wheels need 8mm spacers
Offset change 8mm out per wheel
Standard Master Cylinder and Booster Ok if 1 inch bore.
All rear brakes Ok for standard car, 279 x 10mm disc upgrade available if heavy braking will be used on car or if upgrade is required.
If using rear discs, remove residual valve and delete proportioning valve.
Long drag race studs available plus $50.00 HQ and Ford
HK may have 2 ½ inch centre hole (check)
HQ, Commodore and Ford use 2 ¾ inch or 70mm
ENGINEERS CERTIFICATE AVAILABLE FOR THIS KIT
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