Plenum Gasket "Thick 3/64" Set .  Fits 90~95 ZR-1 LT5. Sold by the set which contains 2 individual gaskets as shown.

Best Use:

• Better suited for applications where mating surfaces may be less true or damaged by porting, welding or Dinged, marred or improperly cleaned mating surfaces.
• Re-use of gaskets is not recommended, but because this gasket is 50% thicker than the standard 1/32" gasket, it is more resistant to being damaged if the plenum is removed again.

Primary Difference from Standard:

• 50% thicker than our standard 1/32" Plenum Gaskets.

Common with Other Versions, std & original color:

• Direct replacement on stock, un-modified engines. oversized gasket port size does not affect function or engine operating characteristics.
• Port size increased to 37.5mm for modified, ported intake. For siamesed porting, simply cut out the center bifurcation.
• Coolant flow for throttle body heat can be enabled or blocked by simply orienting the gasket as desired.
• Gaskets are die cut to exact dimensions taken from GM LT5 engine drawings. Port alignment may vary slightly due to core shift when parts were cast.
• Made from Pro-Formance/MicroPore, non-asbestos gasket material with a fully cured nitrile butadiene rubber binder, 12~20% compressibility for excellent sealability and a max temp rating of 550F.

These die-cut precision gaskets, are made exclusively for Jerry's Gaskets, utilizing original engine drawings for dimensions. 

See part #571 in the diagram.