Overview
The Baer Brakes 4301438CY is a front S4 disc brake kit in Comp Yellow for GM G-Body cars and GM S10 and S15 Blazer and pickup trucks. A 4-piston S4 caliper clamps an 11-inch, 2-piece slotted, drilled and zinc plated rotor, and the assembly arrives with stock height spindles and billet hubs already built up. The kit is made in Phoenix, Arizona.
Pick the Comp Yellow finish when you want this 11-inch front layout in a bright color and your wheels are 15 inches or larger. The SS4 Plus is a smaller relative of Baer’s larger brake systems, designed for a compact wheel package.
Key features
- Powder coated S4 caliper with four pistons, finished in Comp Yellow
- Slotted, drilled and zinc plated 2-piece rotor, 11.0 inches across and 1.02 inch thick
- Hard anodized aluminum pistons, stainless steel abutments and noise suppression clips
- Dual seals guarding against dust, weather and pressure
- Billet aluminum hubs with premium bearings and Redline synthetic grease, plus billet dust caps
- Steel braided hoses, DOT approved, with mounting brackets and hardware.
Choosing pads and fluid
Brake pads and fluid are the two consumables that shape how this kit feels day to day. Pad compound determines noise, dust and initial bite, so pick a type that suits daily driving, towing or off-road use. Brake fluid absorbs moisture over time, which lowers its boiling point, so flushing it on a regular schedule keeps pedal feel firm under heavy braking.
A bright finish like Comp Yellow is a cosmetic choice and does not change braking performance. Caliper paint can dull with heat and road grime, so clean the caliper with mild soap rather than harsh solvents. Keep the wheel bolts torqued and check the rotor surface after new pads are installed.
- Replace pads when wear indicators or squealing appear
- Flush brake fluid on a regular schedule
- Clean caliper paint with mild soap
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 4301438CY |
| UPC | 90127920237 |
| Caliper | S4, 4-piston, fixed |
| Caliper color | Comp Yellow |
| Rotor | 2-piece, vented, slotted, drilled and zinc plated |
| Rotor outside diameter | 11.0 inch |
| Rotor thickness | 1.02 inch |
| Pad type | DR1 (FMSI) |
| Brake hose | Steel braided, DOT approved |
| Axle | Front |
| Lug count | 5 lug |
| Bolt pattern | 5×4.75 inch |
| Wheel stud size | M12-1.50 x 51.5mm |
| Minimum wheel diameter | 15.0 inch |
| Template | S125A |
| Spindles | Stock height, included |
| Sold as | Kit |
| Country of origin | USA |
Vehicle fitment
The application list for this Comp Yellow kit names 1982-1990 GMC S15, 1983-1991 GMC S15 Jimmy, 1978-1988 Pontiac Grand Prix, 1978-1988 Oldsmobile Cutlass Supreme, 1978-1981 and 1985-1988 Oldsmobile Cutlass, 1983-1994 Chevrolet S10 Blazer, 1982-2003 Chevrolet S10, 1978-1988 Chevrolet Monte Carlo, 1978-1983 Chevrolet Malibu, 1978-1987 Chevrolet El Camino and 1978-1988 Buick Regal.
The S10 entries run through 2003 and the S10 Blazer entries through 1994, so later years are not on the list. Fit with every wheel style is not guaranteed by Baer. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
Compare the S125A template with your wheel before mounting, because fit can vary across wheel styles. Brackets, hoses and hardware come with the kit.
What’s included
Included are the S4 calipers, 11-inch 2-piece rotors with NAS stainless hardware, billet aluminum hubs with bearings packed in Redline synthetic grease, billet dust caps, stock height spindles, mounting brackets, braided hoses and hardware.
Not included: Brake pads are not part of the kit contents, so buy pads matching the DR1 or HB100 pad type separately.
