MID AMERICA MOTORWORKS 603-137 Lug Nut Wheels 686420272595 7/16-20 YJ8 N90

( Brand: Mid America Motorworks ), ( Manufacturer Part Number: 603-137 ), ( Size: 7/16 In-20 ), ( Color: Silver ), ( Items Included: Lug Nut ), ( Material: Steel ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Left, Rear, Right ), ( California Prop 65 Warning: Warning ), ( Features: Durable ), ( Finish: Chrome ), ( UPC: 686420272595 )

Review MID AMERICA MOTORWORKS Chrome Lug Nut 7/16-20 Yj8 N90 Aluminum Wheels fits CORVETTE C3 1976–1982

Introducing the Motorworks 603-137 lug nuts, specifically designed for 1976 to 1982 Chevrolet Corvette models with 7/16-20 thread pitch and YJ8 or N90 wheel studs. These lug nuts are an essential upgrade for Corvette enthusiasts seeking reliable and durable wheel fasteners for their classic cars.

Crafted from high-grade chromium-molybdenum alloy steel, these lug nuts offer superior strength and resistance to corrosion, ensuring a secure and long-lasting wheel attachment. The chrome finish not only adds an aesthetically pleasing touch to your Corvette's wheels but also provides an extra layer of protection against the elements, maintaining their pristine appearance for years to come.

Each lug nut features a hexagonal shape with a flat, recessed top that ensures a snug and secure fit with the included socket wrench. The slim, tapered design allows for easy installation and removal, even in tight wheel wells. The 1/2 inch square drive allows for the application of adequate torque using standard hand tools.

The Motorworks 603-137 lug nuts comply with the original equipment specifications of the 1976 to 1982 Corvette, ensuring a perfect fit and function. These lug nuts are designed for use with standard passenger car tires and wheels, making them an ideal choice for daily drivers or enthusiasts who want to maintain the authenticity of their classic Corvette.

In summary, the Motorworks 603-137 lug nuts are an excellent investment for 1976 to 1982 Chevrolet Corvette owners, providing both the durability and the classic look that enhances the driving experience. With their superior strength, resistance to corrosion, and easy installation, these lug nuts are a must-have for any Corvette enthusiast's toolbox.

Pros and Cons of Buying Motorworks 603-137 Lug Nuts for 1976-1982 C3 Corvette (7/16-20 YJ8 N90 Wheels)

The Motorworks 603-137 lug nuts are a popular choice for those looking to upgrade their wheels on their 1976-1982 C3 Corvette. In this analysis, we will discuss the advantages and disadvantages of purchasing these lug nuts.

1. High-Quality Material: Motorworks 603-137 lug nuts are made of high-strength steel, ensuring durability and reliability. They resist corrosion and provide excellent torque transfer between the wheel and the hub.

2. Correct Fitment: These lug nuts are specifically designed for 1976-1982 C3 Corvette models with 7/16-20 YJ8 N90 wheels. They ensure proper wheel seating and centering, which is essential for safe and efficient driving.

3. Attractive Design: The chrome-plated finish of these lug nuts adds a stylish touch to your Corvette's wheels, enhancing its overall appearance.

4. Easy Installation: The Motorworks 603-137 lug nuts come with a star pattern that makes them easy to tighten and loosen, even in tight spaces.

1. Cost: Compared to OEM lug nuts, the Motorworks 603-137 lug nuts may be more expensive. However, their high-quality materials and superior performance make them a worthwhile investment for many Corvette enthusiasts.

2. Potential Thread Damage: When installing these lug nuts, be careful not to overtighten them, as it could potentially damage the threaded wheel studs. Properly torquing the lug nuts to the manufacturer's recommended specifications is essential.

The Motorworks 603-137 lug nuts offer several advantages, such as high-quality materials, correct fitment, attractive design, and easy installation. Despite their higher cost compared to OEM lug nuts, their superior performance and durability make them a valuable investment for those looking to upgrade their C3 Corvette's wheels. However, it is essential to follow proper installation procedures to avoid potential thread damage.

If you're in the market for new lug nuts for your 1976-1982 C3 Corvette with 7/16-20 YJ8 N90 wheels, the Motorworks 603-137 lug nuts are an excellent choice. Their high-quality materials, correct fitment, attractive design, and easy installation make them a worthwhile investment for Corvette enthusiasts seeking to enhance their vehicle's performance and appearance. Just be sure to follow proper installation procedures to ensure a successful and damage-free installation.

Details:

Passion Driven. Material / Finish:Steel construction with heavy chrome plating for corrosion resistance, strength, and long-lasting bright finish. Its the small details that help your Corvette stand out and stay secure. Fits the Following Corvette model's: C3 Coupes and Convertibles: 1976-1982.

GM reference part number not provided. Corvette chrome lug nut is essential for safely securing your wheels while maintaining proper appearance. These chrome lug nuts provide proper fit, dependable performance, and a factory-correct look. The correct 7/16 20 thread ensures proper engagement, while the solid construction provides dependable wheel retention for street or show use.

1976-1982 C3 Corvette Chrome Lug Nut 7/16-20 YJ8 N90 Aluminum Wheels, Secure your wheels with a durable chrome lug nut designed for proper fit, reliable clamping force, and clean factory-style appearance on aluminum. OE-style design for factory-correct appearance. Because Details Matter The right lug nuts are critical for both safety and appearance on your Corvette. Featuring OE-style design and heavy chrome plating, this lug nut delivers both durability a bright, clean finish.

This reproduction Corvette lug nut is designed for YJ8 and N90 aluminum wheel applications with correct fit function. Features / Benefits: Reproduction chrome lug nut sold individually. Heavy chrome plated finish for durability and shine. Provides secure wheel fastening and reliable clamping force.

part #: 603137 prices

• $40.00-$174.99

specifications fastenerface:

• for models: C3, Corvette
• for years: 1976-1982
• brand: Mid America Motorworks
• mpn: 603-137
• size: 7/16 In-20
• color: Silver
• items included: Lug Nut
• material: Steel
• vintage part: No
• placement on vehicle: Front, Left, Rear, Right
• california prop 65 warning: Warning
• features: Durable
• finish: Chrome
• upc: 686420272595

seller fastenerface:

• # reviews: 37305
• rating: 99.7%
• city: US

returns fastenerface:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general fastenerface:

• Car Truck Parts Accessories > Wheels, Tires Parts > Wheel Nuts, Bolts Studs
• condition: New

payments fastenerface:

• credit card: Discover
• wallet: Paypal
• other

shipping fastenerface:

• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard
• transit: 2-6 Days

offer fastenerface:

• sold: 0
• started: March 24, 2026
• availability: In Stock
• options: Ship-to-home

Mid America Motorworks 603-137 Is Similar To:

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