Doug's Headers Exhaust Gaskets Product images may differ from actual product appearance. Premium header flange gaskets are made extra thick from a specially formulated gasket material. Rated up to 1100° F and handle exhaust pressures up to 3700 psig (255 bar). Each gasket is designed for an exact port match with Doug's Headers. Sold in pairs.

776-HG9100

Header Flange Gasket 425-500ci Square Port View this item

$27.99 Ships 02/24/12

776-HG9300

Header Flange Gasket 283-400ci Round Port View this item

$27.99 Ships 02/24/12

776-HG9301

Header Flange Gasket 283-400ci Oval Port View this item

$27.99 Ships 02/24/12

776-HG9302

Header Flange Gasket 283-400ci (Outer Gasket) Round Port View this item

$27.99 Ships 02/24/12

776-HG9303

Header Flange Gasket 396-502ci Square Port View this item

$27.99 Ships 02/24/12

776-HG9312

Header Flange Gasket 283-400 Large Rectanle Port View this item

$27.99 Ships 02/24/12

776-HG9322

Header Flange Gasket 283-400 (Inner Gasket) View this item

$27.99 Ships 02/24/12

776-HG9348

Header Flange Gasket 348-409ci Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9106

Header Flange Gasket 273-360ci SAP View this item

$27.99 Ships 02/24/12

776-HG9108

Header Flange Gasket 426 HEMI Square Port View this item

$27.99 Ships 02/24/12

776-HG9110

Header Flange Gasket 354-392 HEMI Round Port View this item

$27.99 Ships 02/24/12

776-HG9151

Header Flange Gasket 383-440ci Small Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9203

Header Flange Gasket 390-428 (8-Bolt) 1-3/4" Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9203LG

Header Flange Gasket 390-428 (8-Bolt) 2" - 2-1/8" Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9210

Header Flange Gasket 460ci (Fuel Injected) Oval D Port View this item

$27.99 Ships 02/24/12

776-HG9211

Header Flange Gasket 429-460ci Oval Port View this item

$27.99 Ships 02/24/12

776-HG9211LG

Header Flange Gasket 429-460ci Large Oval Port View this item

$34.99 Ships 02/24/12

776-HG9215

Header Flange Gasket 351-400M (2bbl head) Oval Port View this item

$27.99 Ships 02/24/12

776-HG9248

Header Flange Gasket 260-351W Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9265

Header Flange Gasket 351C (4bbl head) Square Port View this item

$27.99 Ships 02/24/12

776-HG9351

Header Flange Gasket 351W (World Products Head) Rectangle Port View this item

$34.99 Ships 02/24/12

776-HG9355

Header Flange Gasket 403-455ci Rectangle Port View this item

$27.99 Ships 02/24/12

776-HG9342

Header Flange Gaskets 326-455ci D-Port View this item Fits Applications

$27.99 Ships

776-HG9343

Header Flange Gaskets 326-455ci Round Port View this item

$27.99 Ships 02/24/12