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 |  SKU: 23002-AT003

HKS Grommet Type Head Gaskets

Toyota GR Yaris XPA16R
$389.00
Thickness
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Description

The HKS Grommet Type Head Gasket is engineered for ultimate performance in high-boost and high-combustion pressure applications, making it an ideal choice for drag racing, time attack events, and other demanding motorsport environments.

Featuring a robust grommet structure at the bore sealing surface, this gasket offers exceptional sealing capabilities. Its design ensures enhanced surface pressure distribution, creating a reliable gas seal. The inner surface of the bore integrates with the gasket base sheet and a specialized plate, providing a strong and durable seal under extreme conditions.

To prevent cylinder head distortion during head bolt tightening, precision shims are placed at both ends of the engine deck, ensuring even load application. The advanced grommet structure accommodates deformation in the front and rear sections of the engine deck, delivering high bore-sealing performance across the entire engine.

The gasket’s upper and lower surfaces utilize a plate coated with multiple layers of synthetic rubber, enhancing its ability to adhere firmly to the block deck and cylinder head. This coating fills fine surface irregularities, ensuring a tight seal without gaps. Additionally, strategically placed beads on the gasket plate further improve sealing performance, wear resistance, and overall reliability around critical areas such as the outer edges, bolt holes, and oil passages.

With its cutting-edge design and superior materials, the HKS Grommet Type Head Gasket provides outstanding sealing performance and durability, meeting the rigorous demands of high-performance engines.

Technical Specifications

  • Thickness: 0.8mm
    • Compression Ratio: 10.6
    • Bore Diameter: 89.00mm
    • Stock Thickness: 0.85mm
  • Thickness: 1.0mm
    • Compression Ratio: 10.4
    • Bore Diameter: 89.00mm
    • Stock Thickness: 0.85mm

Fitment Table