Description
Fitments for a variety of applicationsWhat is the main thing you’re looking for when shopping for a new set of headers? Performance of course! With Doug’s, you’ve got it. You’ll also get the ease-of-installation and a great selection of applications for all years. Doug’s headers feature heavy wall construction with 3/8″-thick mounting flanges, ensuring durability and longevity under the most demanding circumstances. All of the necessary mounting hardware is included with each set: bolts, gaskets and reducers.DHD3338 â 1-3/4″ tubes, 3″ coll. – SAPDH0369C â 1-3/4″ tubes, 3″ coll. – SAPCH22484 â 1-5/8″ tubes, 3″ coll. – oval portCH22486 â 1-5/8″ tubes, 3″ coll. – oval portDHD305C â 1-5/8″ tubes, 3″ coll. – oval portDHD322C – 2″ tubes, 3-1/2″ coll. – SAPCH22488 â 1-3/4″ tubes, 3″ coll. – SAPDHOD316 â 1-7/8″ tubes, 3-1/2″ coll. – SAPDHOD331 â 2-1/8″ tubes, 3-1/2″ coll. – round portCH25268 â 1-3/4″ tubes, 3″ coll. – SAPDHD325C – 2″ tubes, 3-1/2″ coll. – SAPAPPLICATION NOTES:5- Shorty design for maximum ground clearance36- Fits D-Port heads including ZZ4 crate engines52- Will not fit Saginaw close ratio with 825 power steering box69- Must-use stock big-block frame stands and motor mounts92- Will fit most angle plug heads including factory Chevrolet “Bowtie” heads93- Requires removal or modification of locking steering columns if equipped96- Installation requires use of 79-later AC compressor bracket and short compressor133- Does not fit with Powerglide transmission160- Includes O2 sensor extension(s) harness180- Requires use of LS1 adapter plate kit209- One tube each side over frame214- Must use non-shell type motor mounts
