This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.

Free Shipping on most items over $150 (excluding freight/oversized items)

Mazworx SR20 1/2" Head Stud Kit (#11000)

$184.04 $231.90
SKU: 11000
4 available


Free shipping on most orders over $150

When pushing your Nissan SR20DET, SR20DE, SR20VE, or SR20VET engine past stock horsepower levels, the weak link is often head lift. Prevent head gasket failure and secure your cylinder head with the ultimate solution: the Mazworx 11000 1/2" Head Stud Kit.

Designed specifically for high-horsepower, high-boost applications, this upgrade replaces the factory head studs with a significantly larger, high-strength fastener system. This increase in diameter dramatically improves head clamping force, ensuring a reliable seal even under extreme cylinder pressure, making it an essential component for any serious drag racing, road racing, or high-boost street build.

Key Features for Unrivaled Reliability:

  • Superior Clamping Force: The 1/2-inch diameter studs offer over $30% more clamping surface area compared to standard-sized studs.

  • High-Strength Material: Manufactured from robust 8740 Chromoly steel for exceptional tensile strength and durability under high thermal load.

  • Race-Proven: Developed and tested by Mazworx, a leader in high-performance Nissan engine building.

  • Universal SR20 Fitment: Compatible with all RWD and FWD variants of the SR20 engine (S13, S14, S15, P10/P11, etc.).

  • Required Machining: Installation requires drilling and tapping the engine block to accommodate the larger 1/2" size, a standard modification for extreme SR20 builds.

Secure your investment and unleash maximum reliable horsepower by upgrading to the Mazworx 11000 Head Stud Kit — available now at Straight Six Imports.

Free Shipping

Free shipping on orders over $150 with select exclusions.

No Customs Fees

Never get hit with surprise duty or brokerage fees again.

Dedicated Support

Friendly staff on hand who are fellow enthusiasts.