
Race Master Exhaust Valves LS1 / LS2 / LS6
- Race Master Exhaust Valves
- LS1 / LS2 / LS6
- 1.600'' Diameter
- 8mm (0.3136'') Stem Diameter
- 4.923'' Overall Length (Stock)
- Stainless Steel
- 8/pkg.
- Type: Exhaust Valve XH-426 Material
- Head Diameter: 1.600'
- Stem Diameter: 8mm / 0.3136'
- Installed Height: Stock
- Overall Length: 4.923'
- Tip Length: 0.175'
- Underhead Angle / Radius: 25° x 7/16'
- Margin: 0.065'
- Seat Width: 0.115'
- Top of Head: 18° Dish
- Weight / Grams: 91
Items You Need
![LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16](https://www.jegs.com/images/mini_200/500/555/555-514146.jpg)
JEGS
LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16
Part Number : 555-514146
![Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]](https://www.jegs.com/images/mini_200/500/555/555-21510.jpg)
JEGS
Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]
Part Number : 555-21510

JEGS
Valve Seal Installation Tool Works with 0.500" & 0.531" PC valve stem seals
Part Number : 555-80596
![MLS Cylinder Head Gasket for GM LS Engines [Bore: 4.020 in.]](https://www.jegs.com/images/mini_200/500/555/555-210840.jpg)
JEGS
MLS Cylinder Head Gasket for GM LS Engines [Bore: 4.020 in.]
Part Number : 555-210840
![High-Strength Head Bolt Kit for 1997-2003 GM LS Engines [6-Point Head]](https://www.jegs.com/images/mini_200/500/555/555-83405.jpg)
JEGS
High-Strength Head Bolt Kit for 1997-2003 GM LS Engines [6-Point Head]
Part Number : 555-83405

JEGS
High-Strength Head Bolt Kit for 2004-2014 GM LS Engines
Part Number : 555-83408

JEGS
LS Valve Spring Compressor Tool Fits GM LS3, LS9, L92 & L99
Part Number : 555-805021
![GM LS Dual Valve Spring and Retainer Kit [1.295 O.D.]](https://www.jegs.com/images/mini_200/500/555/555-514122.jpg)
JEGS
GM LS Dual Valve Spring and Retainer Kit [1.295 O.D.]
Part Number : 555-514122
![Stainless Steel Roller Rocker Arms for Chevy LS [1.7 Ratio, 3/8 in. Stud]](https://www.jegs.com/images/mini_200/500/555/555-20907.jpg)
JEGS
Stainless Steel Roller Rocker Arms for Chevy LS [1.7 Ratio, 3/8 in. Stud]
Part Number : 555-20907

JEGS
Thread Sealing Tape 1/2 in. x 43 ft.
Part Number : 555-75055

JEGS
Thread Sealant 1/2 oz Tube
Part Number : 555-28011
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
LUCAS OIL
Penetrating Oil [11 oz. Aerosol Can]
Part Number : 639-11043
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
JEGS
Brake and Parts Cleaner [14 oz. Aerosol Can]
Part Number : 555-72312
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
JEGS
Valve Spring Compressor [Stud Mount]
Part Number : 555-80518
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Valve Spring Compressor [Stud Mount]
Part Number : 555-80521
![LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16](https://www.jegs.com/images/mini_200/500/555/555-514146.jpg)
JEGS
LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16
Part Number : 555-514146
![Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]](https://www.jegs.com/images/mini_200/500/555/555-21510.jpg)
JEGS
Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]
Part Number : 555-21510
![Valve Locks 7 Degree [8mm Valve Stem]](https://www.jegs.com/images/mini_200/500/555/555-514127.jpg)
JEGS
Valve Locks 7 Degree [8mm Valve Stem]
Part Number : 555-514127

COMP CAMS
Viton Valve Seals Guide Size: .500"
Part Number : 249-511-16

JEGS
Valve Seal Installation Tool Works with 0.500" & 0.531" PC valve stem seals
Part Number : 555-80596

JEGS
Valve Cover Gaskets for GM LS Engines
Part Number : 555-210870
![MLS Cylinder Head Gasket for GM LS Engines [Bore: 4.020 in.]](https://www.jegs.com/images/mini_200/500/555/555-210840.jpg)
JEGS
MLS Cylinder Head Gasket for GM LS Engines [Bore: 4.020 in.]
Part Number : 555-210840
![High-Strength Head Bolt Kit for 1997-2003 GM LS Engines [6-Point Head]](https://www.jegs.com/images/mini_200/500/555/555-83405.jpg)
JEGS
High-Strength Head Bolt Kit for 1997-2003 GM LS Engines [6-Point Head]
Part Number : 555-83405

JEGS
High-Strength Head Bolt Kit for 2004-2014 GM LS Engines
Part Number : 555-83408

JEGS
Intake Seals for GM LS1/LS2/LS6
Part Number : 555-210800

JEGS
LS Valve Spring Compressor Tool Fits GM LS3, LS9, L92 & L99
Part Number : 555-805021
![GM LS Dual Valve Spring and Retainer Kit [1.295 O.D.]](https://www.jegs.com/images/mini_200/500/555/555-514122.jpg)
JEGS
GM LS Dual Valve Spring and Retainer Kit [1.295 O.D.]
Part Number : 555-514122
![Stainless Steel Roller Rocker Arms for Chevy LS [1.7 Ratio, 3/8 in. Stud]](https://www.jegs.com/images/mini_200/500/555/555-20907.jpg)
JEGS
Stainless Steel Roller Rocker Arms for Chevy LS [1.7 Ratio, 3/8 in. Stud]
Part Number : 555-20907
![W89409 Valve Spring Compressor [C-Style]](https://www.jegs.com/images/mini_200/500/555/555-w89409.jpg)
JEGS
W89409 Valve Spring Compressor [C-Style]
Part Number : 555-W89409

JEGS
Top Dead Center Locator Made in the USA
Part Number : 555-80524

JEGS
92-Piece Port & Polish Kit Made in the USA
Part Number : 555-80900

JEGS
Thread Sealing Tape 1/2 in. x 43 ft.
Part Number : 555-75055

JEGS
Thread Sealant 1/2 oz Tube
Part Number : 555-28011
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
LUCAS OIL
Penetrating Oil [11 oz. Aerosol Can]
Part Number : 639-11043
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)
JEGS
Brake and Parts Cleaner [14 oz. Aerosol Can]
Part Number : 555-72312
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
JEGS
Valve Spring Compressor [Stud Mount]
Part Number : 555-80518
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
JEGS
Valve Spring Compressor [Stud Mount]
Part Number : 555-80521
![LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16](https://www.jegs.com/images/mini_200/500/555/555-514146.jpg)
JEGS
LS Valve Spring Retainer [7 Degree 1.035 in. Diameter] set of 16
Part Number : 555-514146
![Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]](https://www.jegs.com/images/mini_200/500/555/555-21510.jpg)
JEGS
Valve Spring Set for GM LS2, LS3, LS6 [Beehive-Style]
Part Number : 555-21510
⚠️ Warning
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.
