What is a phenolic thermal spacer?A phenolic spacer (aka thermal spacer) is a heat insulator installed between a cylinder head and an intake manifold.What it does?The phenolic thermal spacer is blocking conductive heat transfer from the cylinder head to the intake manifold, thus reducing heat soak.What are the benefits?Lower IAT (Intake Air Temperature) increases the amount of air that can be mixed with fuel = more torque.Installation recommendationsWe advise using two sets of OEM gaskets, one on each side of the spacer.Phenolic rings are meant to be installed under the bolt heads fixing the intake manifold.To accommodate the spacer and the rings, a longer hardware is necessary.This phenolic spacer is meant for Redtop 4A-GE-3rd generation smallport engines 1989-1992 installed in:Toyota Celica Toyota Corolla Toyota MR2 You buy:5mm Phenolic thermal spacerPhenolic rings (washers)Based on gasket OEM number: 17171-16040 Material specification:
- Made of 5mm thick phenol plate
- High load, static and dynamic resistant (Bending strength 150MPa, Tensile strength 100MPa)
- High temperature resistant 120oC / 248oF continuous (180oC / 356oF short period)
- Lightweight (1.4g/cm3)
- Low thermal conductivity 0.2W/(K*m)
- Thermal expansion 20*10^-6*1/K similar to aluminium 22*10^-6*1/K
- Friction coefficient μ - 0.24, 6 times higher than Teflon (PTFE) μ - 0.04 (higher = better)
- Oil, race fuel, E85 and other chemicals resistant
CONTACT USWe can be contacted at any time through messages if you have any questions, comments or product requests. We will respond to you within 24 hours and do our best to help you out! We encourage our customers to contact us with any questions or concerns! We\'d like to be sure you are completely satisfied with your purchase. SHOP We proudly present you our products, manufactured entirely in Europe out of quality materials from trusted European suppliers. At YT Motorsport, we spend extra time and effort during design process to ensure fit of all products and test in real world conditions (e.g. camber plates). After this process is complete, we are ready to present this new product to the world, to you. We do our best to deliver you the best product we can make.If you have an idea for a new part, which does not exist yet but believe there is demand for on the market, you\'re welcome to contact us as well. After evaluation of the possible new product, we can make a prototype and start the manufacturing process in our CNC workshop.
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