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Product Summary

Front Position, 5 on 4.75" Bolt Pattern, Natural

  • Easily installs 11" drilled/slotted rotors and 1969-72 GM single piston calipers to your original Tri-Five Chevy spindles
  • Includes new 11" vented brake rotors with GM 5 on 4.75" bolt pattern, semi-metallic brake pads, all races, brake hoses, hardware, and instructions
  • Heavy-duty forged cast iron construction for greater durability and many years of use
  • This disc brake kit will increase the total front track width by 1-3/4" (7/8" per side)
  • May not clear some 14" wheels

Comes as a Kit

Key Specs

MFG. Part #91031949D
BrandSpeedway Motors
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented

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Details

Bringing economy to performance, this brake kit offers drilled and slotted rotors for a $25 upgrade over our standard kits. Just what's needed to update your classic Tri-Five Chevy! Eliminate those archaic ball bearings and gain first class stopping power all at once with this front disc brake conversion kit. Rotors and caliper brackets bolt onto your original spindles with no modification or machining required. Calipers mount to the front of the spindle.

This disc brake kit will increase the total front track width by 1-3/4" (7/8” per side).

  • Uses 11" rotors and 1969-72 GM calipers (7/16"-20 inlets)
  • May not clear some 14" wheels
  • Bolts onto stock '55-'57 spindles with no machine work
  • Includes rubber brake hoses

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Specifications

KEY SPECS
MFG. Part #91031949D
BrandSpeedway Motors
PositionFront
Rotor Diameter11 Inch
Rotor TypeVented
GENERAL
Bolt Pattern5 on 4.75"
Caliper PistonsOne
Caliper FinishNatural
ColorNatural
Parking Brake ProvisionNo
Rotor Thickness1.05"
Stud Diameter0.44"
Stud Length0.8"
Thread Pitch7/16"-20
Track Width Increase1.75"
FinishNatural
Hardware IncludedYes
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, brake tabs, and caliper brackets.
Front Suspension TypeIFS
Rotor StyleDrilled and Slotted
Rotor Material TypeCast Iron
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Rear Rotor IncludedNo
Front Caliper IncludedYes
Front Caliper Piston Quantity2
Front Caliper FinishNatural
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo