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Baer Brakes Track4 Brake System Front 60-87 Chevy/GMC 2WD 1/2 Ton Trucks W/Cpp Nodular Iron 2.5 Inch Drop Spindle (5 Lug 5X5 Inch BC) Grabber Blue W/Cpp 2.5 Inch Drop Modular Spindle (5 Lug 5X5Bc) – 4301512GB

Baer Brakes

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  • Built for 1960–1986 Chevrolet C10 and GMC 1000, C15 and C1500 2WD trucks
  • T4 four-piston caliper with a 13 inch slotted, drilled rotor
  • Part number 4301512GB with a Grabber Blue caliper
  • Needs a Cpp nodular iron 2.5 inch drop spindle, which is not included
  • Billet aluminum hubs, brackets, stainless braided hoses and hardware are included

Description

Overview

Built for 1960–1986 Chevrolet C10 and GMC 1000, C15 and C1500 2WD half-ton trucks, the Baer Brakes Track4 front brake system 4301512GB is a T4 four-piston disc brake kit with a 13 inch slotted, drilled rotor.

The caliper is finished in Grabber Blue, and the billet aluminum hubs come assembled with premium bearings already packed with Redline synthetic grease. The kit is set up for a Cpp nodular iron 2.5 inch drop spindle, which must be bought separately. The 13 inch Track4 suits wheels 17 inch or larger.

Key features

  • T4 caliper with four staggered pistons to even out pad wear
  • Stainless steel pistons, abutments and noise suppression clips
  • T-compliant dual seals guard against dust, weather and pressure
  • CNC machined forged or billet aluminum parts with a powder-coated finish
  • One-piece slotted, drilled, zinc-plated vented rotor
  • Billet dust caps paired with hubs that carry premium bearings

Choosing the right pads

Pad choice affects how the brakes feel as much as how they stop. Street driving, towing and hard off-road use each place different heat loads on the pads and rotor. A pad that suits daily driving may fade under sustained braking on a grade, so the intended use should guide the selection.

Pads and rotors should be bedded in together when new. Gentle stops at moderate speed help transfer an even layer of friction material onto the rotor. A pulsing pedal or squeal after bedding can point to uneven pad transfer, glazing or a warped rotor, and those should be checked before the truck is loaded or towed.

  • Match pad compound to street, towing or trail use
  • Bed in new pads and rotors with gentle stops
  • Investigate pedal pulsation or squeal after bedding

Specifications

Brand Baer Brakes
Part number 4301512GB
UPC 90127877036
Caliper T4, fixed, 4 pistons
Caliper color Grabber Blue
Rotor outside diameter 13.0 inch
Rotor type 1-piece, vented, slotted, drilled, zinc plated
Rotor thickness 1.1
Minimum wheel diameter 17.0 inch
Brake pad FMSI number D0749
Brake hose Steel braided, DOT approved
Lug count 5 lug
Wheel bolt pattern 5×5.00 inch
Wheel stud size 1/2-20 x 2.25 inch
Drive 2WD
Spindle type Cpp nodular iron 2.5 inch drop spindles
Spindles included No
Grade Performance
Country of origin USA
Template Q082H

Vehicle fitment

The fitment covers 1960–1986 Chevrolet C10, 1967–1986 C10 Suburban, 1960–1966 and 1987–1989 Chevrolet Suburban, 1966 GMC 1000, 1960–1965 GMC 1000 Series, 1975–1978 GMC C15, 1967–1974 GMC C15/C1500 and 1979–1986 GMC C1500 models.

Trucks outside these entries, including 4WD builds and 1987-and-later C-series pickups other than the Suburban, fall outside the stated range. Check the year and model against the fitment entries ahead of purchase.

Installation notes

Install the Cpp nodular iron 2.5 inch drop spindle first, since the hubs bolt to it and it does not come in the kit. Test-fit with the Q082H template against your intended wheel, because Baer does not promise fit with every wheel style. Bleed the brake lines and check pedal feel before any road use.

What’s included

Baer includes the T4 caliper, the 13 inch rotor, billet aluminum hubs with bearings and dust caps, mounting brackets, stainless braided hoses, and hardware.

Not included: the Cpp nodular iron 2.5 inch drop spindles.

Specification

Shipping weight 68 lbs
Package dimensions 15 × 15 × 15 in
brands

Sold as

Kit

Wheel bolt pattern (in)

5×5.00

Lug nuts

5 Lug

Rotor type

1-Piece

Country of origin

USA

Fitment

VehicleYearsTrims
Chevrolet C101960–1986All
Chevrolet C10 Suburban1967–1986All
Chevrolet Suburban1960–1966, 1987–1989All
GMC 10001966All
GMC 1000 Series1960–1965All
GMC C151975–1978All
GMC C15/C15001967–1974All
GMC C15001979–1986All

Use “Select your vehicle” at the top of the page to check this part against your vehicle.

Questions & Answers

Is a 1985 GMC C1500 covered by the 4301512GB kit?

Yes. The fitment includes 1979–1986 GMC C1500 trucks, which covers a 1985 model. Only 2WD applications are listed, so 4WD trucks are outside the stated fitment.

Are spindles part of the Grabber Blue Track4 package?

No, spindles are not included. The kit is built to work with a Cpp nodular iron 2.5 inch drop spindle, which needs to be obtained separately before installation.

What hardware comes with part number 4301512GB?

Mounting brackets, stainless braided hoses and hardware are included, along with billet aluminum hubs that come with premium bearings and billet dust caps. The kit takes D0749 FMSI pads, so check the pad part number against that type before installation.

What are the wheel stud size and bolt pattern?

The studs measure 1/2-20 x 2.25 inch on a 5 lug, 5x5.00 inch bolt pattern. The minimum wheel diameter is 17.0 inch and the template number is Q082H.

What is the difference between a drop spindle and a standard spindle?

A drop spindle positions the hub and rotor lower than the stock spindle, which changes the front end geometry and the relationship between the caliper and the wheel. The spindle is chosen first, and the hub, rotor and caliper are fitted to it afterward.

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