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Thermal Inlet Manifold Spacers10mm O Ring Design Subaru Impreza RA WRX V1-V2 | Advanced Automotive

Product Description

Subaru Version V1 V2 10mm Thick "O" Ring Design Thermal Inlet Manifold Spacers And Bolts

Now available-a range of insulating inlet manifol d spacers designed to keep inlet temperatures down.
These will help prevent heat from conducting into the alloy inlet manifold from the cylinder head.
In theory, because of the cooler & denser inlet , an immediate power increase should be evident, but their main strength will be in helping to keep temperatures under control after prolonged engine use.
Drag race or pit-lane situations where a stationary warm-up period is unavoidable will always result in high manifold temperatures (so making immediate power levels suffer), while hot starting after a period of engine shut-down will also be helped.
These high performance composite spacers (approx 10mm thick) are avaIlable for all Subaru EJ engine types and are supplied exactly as the original gasket including the holes for the location pins on the cylinder heads.

The kit contains 2 manifold spacers, 8 "O" rings and 8 longer carbon steel 8mm cap head bolts.
From stock:- V1 and V2