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RR Racing Lexus V8 Teflon Intake Spacer Kit

RR Racing Lexus V8 Teflon Intake Spacer Kit RCF GSF IS500

4 Reviews
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Product Code: RRR-RCFphenolic
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Have you ever heard the term “heat soak” affecting the performance your car? High intake air temperature is a power killer, and one of the most effective ways to improve real world power output of your RCF is by reducing heat soak. The stock intake manifold, although well designed, is large, heavy, and is made of aluminum which has a very high thermal conductivity, soaking up all the heat from your engine block, and transferring some of that heat to the air entering your engine. Our solution is an old hot rodder’s trick… insulate the intake manifold from the engine block by using a heat insulating gasket, thereby dramatically reducing heat transfer to the intake manifold. According to our test chart below, intake manifold temperatures were reduced by 30 degrees!

Our Teflon Intake Manifold Gaskets feature:

  • 100% Teflon ¼” thick. Teflon is an excellent heat insulator, and is the most durable high temperature plastic available.
  • No intake manifold gaskets are necessary when using our Teflon spacers!
  • Extended Stainless steel bolts
  • Throttle body coolant bypass fitting (results in an additional 6 degrees temperature reduction)

Please note: since these spacers are ¼” thick, additional spacers may be necessary if using the RR Racing Chassis brace with an engine cover.

Compatibility Table
MakeModelYear Range
LexusRCFALL
LexusGSFALL
LexusIS500ALL
LexusLC500ALL

REVIEWS

Average Rating:
( 4 )
emil seikaly from Harlingen, TX United States
February 23, 2026
Spacer kit
easy install. I recommend.
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Lance Dodd from Clover, SC United States
November 9, 2024
RR Racing Lexus V8 Teflon Intake Spacer Kit RCF GS
Fit extremely well. Just a small amount of extra material for a perfect gasket match. Easily shaped with a Dremel tool and a carbide cutter. The spacers allow extra air to get under the manifold to help carry away heat. Similar to Edelbrock's Air-Gap manifolds. Heat is your biggest enemy on these engines. These are being installed along with a long list of parts. Nearing completion, will up
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Ito Paulino from Columbia, SC United States
November 8, 2024
Great product/easy install
First and foremost s/o rafi had a couple questions in regards to the install and he was more than helpful easy going over the phone now the product I feel was very well designed especially with how hot these engines truly get overall I give the product 10/10 felt the quality in them and came with easy/straight forward instructions I would definitely recommend to anyone with a rcf,gsf,is500
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