Description

Aggressive friction for frequent high performance street driving and occasional track use.

Product Overview

StopTech offers a wide selection of replacement, high performance, work duty and racing brake pads to fit both OEM calipers and StopTech Big Brake Kits. Choosing the correct friction formula for your particular application is essential for optimizing brake system performance and reliability. That's why StopTech's engineering team carefully selects and tests each friction compound to ensure proper stopping performance throughout the lifetime of the brake pad. With our own internal Friction Lab, four in-house brake dynos and real-world, on-vehicle testing, StopTech is the aftermarket leader in brake pads and shoes. * Formerly known as Street Performance Pads * High MOT to Eliminate Fade * Excellent Actuation, Modulation and Release * Positive Molded for Uniform Friction Material * Scorched to Raise Initial Cold Effectiveness * Para-Aramid Composites for Linear Response * Dyno Proven Performance and Service Life * Lab-Developed Formulas with Strong Initial Bite * Ideal for Autocross and Light Track Day Use

Features and Benefits

• Para-aramid (Kevlar) composites provide linear response regardless of pad temperature. Designed for aggressive drivers who maintain high heat levels. Good for occasional track use. High MOT (Maximum Operating Temperature) to eliminate Fade
• Engineered Performance Pad/Direct OE Replacement
• Low Noise And Dust/Longer Pad And Rotor Life
• Improved Pedal Feel And Response
• 100 Percent Positive Molded For Consistent Feel
• Scorched To Promote Faster Bed-In
• OE Style Anti-Squeal Shims To Manage Noise
• High Max Operating Temperature
• Consistent Coefficient Of Friction Thru Temp Range

Product Details

Attribute ID (Type):	California Proposition 65
Attribute ID Type:	California Proposition 65
California Proposition 65 Site (basic):	https://www.p65warnings.ca.gov/
California Proposition 65 Site [basic]:	https://www.p65warnings.ca.gov/
California Proposition 65 Text (basic):	WARNING: Cancer and Reproductive Harm
California Proposition 65 Text [basic]:	WARNING: Cancer and Reproductive Harm
California Proposition 65:	WARNING: Cancer and Reproductive Harm
Description:	StopTech Sport Brake Pads with Shims and Hardware
Friction Material Attachment:	Integrally Molded
Hardware Kit Number (cntrc):	117.42038
Hardware Kit Number [cntrc]:	117.42038
Inner Pad Height:	1.496
Inner Pad Overall Thickness:	0.559
Inner Pad Width:	4.154
Mounting Hardware Included:	Yes
Notes01 (cntrc):	1 Pad with 1 Wear Sensor
Notes01 [cntrc]:	1 Pad with 1 Wear Sensor
Outer Pad Height:	1.496
Outer Pad Overall Thickness:	0.559
Outer Pad Width:	4.154
Pad Quantity:	4
Pad Shims Included:	Yes
Pad Wear Sensor Included:	Yes
Part Number:	sto309.09051
Prepared For Pad Wear Sensor:	Yes
Title:	StopTech Sport Brake Pads with Shims and Hardware
WARNING CA Proposition 65 Message:	WARNING: Cancer and Reproductive Harm
WARNING CA Proposition 65:	Yes
Weight (cntrc) kgs:	0.84
Weight (cntrc) lbs:	1.85
Weight [cntrc] kgs:	0.84
Weight [cntrc] lbs:	1.85

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	sto978.42009R	Sport Axle Pack, Drilled & Slotted, Rear (1x sto309.09051, 1x sto950.42503, 1x sto127.42088L, 1x sto127.42088R)
	sto979.42000R	Sport Axle Pack Drilled Rotor, Rear (1x sto309.09051, 1x sto128.42078L, 1x sto128.42078R, 1x sto950.42500)
	sto979.42000	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto950.42000, 1x sto309.09690, 1x sto128.42080R, 1x sto128.42080L, 1x sto128.42078L, 1x sto128.42078R, 1x sto950.42500)
	sto979.42001	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto128.42074L, 1x sto128.42074R, 1x sto128.42077L, 1x sto128.42077R, 1x sto309.09051, 1x sto309.08150, 1x sto950.42004, 1x sto950.42503)
	sto978.42011	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42004, 1x sto950.42503, 1x sto127.42088L, 1x sto127.42088R, 1x sto127.42080L, 1x sto127.42080R)
	sto978.42001	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto127.42074L, 1x sto127.42074R, 1x sto309.08150, 1x sto950.42004, 1x sto950.42503, 1x sto127.42077L, 1x sto127.42077R)
	sto978.42000	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto950.42000, 1x sto309.09690, 1x sto127.42078L, 1x sto127.42078R, 1x sto127.42080L, 1x sto127.42080R, 1x sto950.42500)
	sto977.42011	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto126.42088SL, 1x sto126.42088SR, 1x sto950.42004, 1x sto950.42503)
	sto977.42009	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto126.42088SL, 1x sto126.42088SR, 1x sto950.42503, 1x sto950.42012)
	sto977.42001	Sport Axle Pack, Slotted, 4 Wheel (1x sto126.42074SL, 1x sto309.09051, 1x sto126.42074SR, 1x sto126.42077SL, 1x sto126.42077SR, 1x sto309.08150, 1x sto950.42004, 1x sto950.42503)
	sto977.42000	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto950.42000, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto309.09690, 1x sto950.42500)
	sto979.42001R	Sport Axle Pack Drilled Rotor, Rear (1x sto128.42077L, 1x sto128.42077R, 1x sto309.09051, 1x sto950.42503)
	sto977.42014	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto309.09690, 1x sto950.42010, 1x sto950.42508)
	sto977.42028	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto950.42000, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto309.09690, 1x sto950.42500)
	sto977.42029	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto126.42088SL, 1x sto126.42088SR, 1x sto950.42012, 1x sto950.42502)
	sto977.42031	Sport Axle Pack, Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto126.42080SL, 1x sto126.42080SR, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto950.42010, 1x sto950.42508)
	sto978.42009	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42503, 1x sto950.42012, 1x sto127.42088L, 1x sto127.42088R, 1x sto127.42080L, 1x sto127.42080R)
	sto978.42014	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto309.09690, 1x sto127.42078L, 1x sto127.42078R, 1x sto950.42010, 1x sto950.42508, 1x sto127.42080L, 1x sto127.42080R)
	sto978.42028	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto950.42000, 1x sto309.09690, 1x sto127.42078L, 1x sto127.42078R, 1x sto127.42080L, 1x sto127.42080R, 1x sto950.42500)
	sto978.42029	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42012, 1x sto950.42502, 1x sto127.42088L, 1x sto127.42088R, 1x sto127.42080L, 1x sto127.42080R)
	sto978.42031	Sport Axle Pack, Drilled & Slotted, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto127.42078L, 1x sto127.42078R, 1x sto950.42010, 1x sto950.42508, 1x sto127.42080L, 1x sto127.42080R)
	sto979.42009	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42503, 1x sto950.42012, 1x sto128.42088R, 1x sto128.42088L, 1x sto128.42080R, 1x sto128.42080L)
	sto979.42011	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42004, 1x sto950.42503, 1x sto128.42088R, 1x sto128.42088L, 1x sto128.42080R, 1x sto128.42080L)
	sto979.42014	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto309.09690, 1x sto128.42080R, 1x sto128.42080L, 1x sto950.42010, 1x sto950.42508, 1x sto128.42078L, 1x sto128.42078R)
	sto979.42028	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto950.42000, 1x sto309.09690, 1x sto128.42080R, 1x sto128.42080L, 1x sto128.42078L, 1x sto128.42078R, 1x sto950.42500)
	sto979.42029	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto950.42012, 1x sto128.42088R, 1x sto128.42088L, 1x sto128.42080R, 1x sto128.42080L, 1x sto950.42502)
	sto979.42031	Sport Axle Pack Drilled Rotor, 4 Wheel (1x sto309.09051, 1x sto309.08880, 1x sto128.42080R, 1x sto128.42080L, 1x sto950.42010, 1x sto950.42508, 1x sto128.42078L, 1x sto128.42078R)
	sto977.42000R	Sport Axle Pack, Slotted, Rear (1x sto309.09051, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto950.42500)
	sto977.42001R	Sport Axle Pack, Slotted, Rear (1x sto309.09051, 1x sto126.42077SL, 1x sto126.42077SR, 1x sto950.42503)
	sto977.42009R	Sport Axle Pack, Slotted, Rear (1x sto309.09051, 1x sto126.42088SL, 1x sto126.42088SR, 1x sto950.42503)
	sto977.42014R	Sport Axle Pack, Slotted, Rear (1x sto309.09051, 1x sto126.42078SR, 1x sto126.42078SL, 1x sto950.42508)
	sto977.42029R	Sport Axle Pack, Slotted, Rear (1x sto309.09051, 1x sto126.42088SL, 1x sto126.42088SR, 1x sto950.42502)
	sto978.42000R	Sport Axle Pack, Drilled & Slotted, Rear (1x sto309.09051, 1x sto127.42078L, 1x sto127.42078R, 1x sto950.42500)
	sto978.42001R	Sport Axle Pack, Drilled & Slotted, Rear (1x sto309.09051, 1x sto950.42503, 1x sto127.42077L, 1x sto127.42077R)
	sto978.42014R	Sport Axle Pack, Drilled & Slotted, Rear (1x sto309.09051, 1x sto127.42078L, 1x sto127.42078R, 1x sto950.42508)
	sto978.42029R	Sport Axle Pack, Drilled & Slotted, Rear (1x sto309.09051, 1x sto950.42502, 1x sto127.42088L, 1x sto127.42088R)
	sto979.42009R	Sport Axle Pack Drilled Rotor, Rear (1x sto309.09051, 1x sto950.42503, 1x sto128.42088R, 1x sto128.42088L)
	sto979.42014R	Sport Axle Pack Drilled Rotor, Rear (1x sto309.09051, 1x sto950.42508, 1x sto128.42078L, 1x sto128.42078R)
	sto979.42029R	Sport Axle Pack Drilled Rotor, Rear (1x sto309.09051, 1x sto128.42088R, 1x sto128.42088L, 1x sto950.42502)

Data: v4.2 - Upd: 2026-10-23 00:20:55

Features

Specifications

Product Attributes - UPC

889590211450

Product Attributes - Brand

StopTech

Product Attributes - Quantity

Sold as a set.

Product Attributes - Part Type

Brake Pads

Product Attributes - Product Line

StopTech Sport Brake Pads

Product Attributes - Shims Included

Yes

Product Attributes - Hardware Included

Yes

Product Attributes - Brake Pad Material

Para-aramid fiber

Product Attributes - FMSI Reference Number

D905

Product Attributes - Brake Pad Construction

Integrally molded

Product Attributes - Friction Material Name

Para-aramid metallic

Product Attributes - Intended for Street Use

Yes

Product Attributes - For Use with Stock Rotors

Yes

Product Attributes - Manufacturer's Part Number

309.09051

Product Attributes - For Use with Slotted Rotors

Yes

Product Attributes - For Use with Stock Calipers

Yes

Product Attributes - Electronic Wear Sensor Included

No

Product Attributes - For Use with Cross-Drilled Rotors

Yes

Compatibility