MACE PLENUM SPACER AND MANIFOLD INSULATOR COMBO PACK TO SUIT HOLDEN SIDI LLT 3.6L V6

Installing either an insulator or a spacer on an engine such as the LLT definitely has its merits but to combine the two components, the gains are truly unrivaled when it comes to budget performance. By increasing the plenum chamber volume with the spacer and lengthening the intake runner length with the insulator, the volumetric efficiency of the motor is improved by a noticeable margin over the entire rev range.

These parts are manufactured from a thermo-composite plastic so not only do they provide the benefits already mentioned, but also prevent the manifold from heat-soaking, which maintains a cooler charge air temperature and generates a higher resistance to knock. The result is sustained horsepower gains and crisp-like throttle response.

With all the "bolt on" parts there are available today, these by far are the easiest to fit and arguably yield the greatest results all without the need of an expensive engine re-calibration. We also have packages to accommodate any engine setup or space requirements; catering for forced induction, naturally aspirated and everything in between. We're sure we'll have a combination you'll be exceptionally satisfied with.

Contents:

• 1 X Manifold insulator kit
• 1 X Plenum spacer kit

Vehicle Fitment Guide

Parts Guide

Please select the part number you require from the drop down menu by utilising our vehicle fitment guide and parts guide.

Notes:

• Any combination where the plenum spacer is thicker than the insulator should be used on forced induction only.
• Due to the substantial increase in height, the combinations with a 25mm manifold insulator will require minor modification to ensure proper fitment under the bonnet. The plastic cowling will need to be trimmed and a section of the bonnet lining will have to be cut out. A re-stocking fee will apply if under bonnet clearance is misjudged and a kit needs to be returned/exchanged.
• Please take any necessary measurements prior to purchase. We will not be held responsible for any clearance issues you may have as every vehicle is made with slight differences.
• If you have any concerns regarding installation, refer to our Knowledge Base. Fitting instructions are also available on our website.
• If space allows, a combination of a 12mm plenum spacer with a 6.35mm manifold insulator for forced induction and a 12mm plenum spacer with a 25mm manifold insulator for a naturally aspirated setup, is ideal.
• These components can be purchased separately through other listings.
• The image is for illustrative purposes only.