SKU: 11951742576

MACE PERFORMANCE LOWER MANIFOLD INSULATOR TO SUIT HOLDEN COMMODORE VL RB30E RB30ET 3.0L I6

Sale price$76.50 Regular price$85.00
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

MACE PERFORMANCE LOWER MANIFOLD INSULATOR TO SUIT HOLDEN COMMODORE VL RB30E RB30ET 3.0L I6Exclusive to Mace Engineering, here we have our design registered lower manifold insulators to suit the Holden VL Commodore fitted with an RB30 3. 0L 6 cylinder engine. Compatible with both turbo and non turbo engines. What are manifold insulators and what do they do? Manifold insulators are a thermal insulating spacer that mount between your engine block and intake manifold. Made from a heat blocking composite, our manifold insulators will increase

Exclusive to Mace Engineering, here we have our design-registered lower manifold insulators to suit the Holden VL Commodore fitted with an RB30 3.0L 6 cylinder engine. Compatible with both turbo and non-turbo engines.

 

What are manifold insulators and what do they do?

Manifold insulators are a thermal insulating spacer that mount between your engine block and intake manifold. Made from a heat blocking composite, our manifold insulators will increase power from your engine by keeping the intake cooler, and increase low end torque by increasing runner length.

 

 

But how do manifold insulators keep the intake manifold cooler?

Given our manifold insulators are made from a composite material with a thermal conductivity of 0.29 W/m*K as opposed toaluminium, which has a thermal conductivity of 150 W/m*K; The difference works about to be thataluminium conducts heat 500 times higher than our composite material!

Also, with gaskets often made out of steel (thermal conductivity of 20 W/m-K) placed between the upper and lower manifolds being 0.5mm thick, replacing them with a 12mm manifold insulator will conduct an amazing 1655 times less heat.

Our composite material also exhibits high stiffness and compressive strength, can withstand temperatures up to nearly 150°C, and has a thermal expansion coefficient very similar toaluminium to increase sealing capabilities. In addition, the spacer can also withstand boosted conditions with ease.


Key Benefits:

  • Design registered.
  • Reduces charge air temperature resulting in better power consistency and detonation prevention.
  • Power increase with no undesirable side effects.
  • Improvedlow end torque by increasing runner length.
  • Improved fuel economy.
  • Easy to install.
  • Can be used as a replacement gasket.
  • Reusable.
  • Proven gains at an affordable price.

 

Contents:

  • 1 X Pair of 12mm manifold insulator

Vehicle Fitment Guide

 

Note: Depending on the inlet manifold type, these manifold insulators may require longer manifold bolts for installation.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11951742576

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Reviewed in the United States on June 5, 2025
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anthony f. lopinto
Chelsea, US
★★★★★ 5
Good product
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Great quality and awesome looking. Easy install.
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Reviewed in the United States on March 28, 2026

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