Description
What 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 – LS1/LS6 with AC, PB, PS, AT or MT1-3/4″ tubes, 3″ collector, SAPApplication notes: 180, 181CH22488 – 396-502 BB with AC, PB, PS, AT only1-3/4″ tubes, 3″ collector, SAPApplication notes: 52, 69, 133DH0369C – 265-400 SB with PB, PS, AT or MT1-3/4″ tubes, 3″ collector, SAPApplication notes: 36, 92, 93CH22484 – 265-400 SB with AC, PB, PS, AT/MT floorshift only1-5/8″ tubes, 3″ collector, oval portApplication notes: 36, 92, 93, 96CH22486 – 265-400 SB with AC, PB, PS, AT only1-5/8″ tubes, 3″ collector, oval portApplication notes: 5, 36, 92, 93, 96DHD305C – 265-400 SB with AC, PB, PS, MT floorshift only1-5/8″ tubes, 3″ collector, oval portApplication notes: 5, 36, 92, 93, 96CH25268 – 396-502 BB with AC, PB, PS, AT/MT floorshift only1-3/4″ tubes, 3″ collector, SAPApplication notes: 5, 52, 69APPLICATION FOOTNOTES:5Shorty design for maximum ground clearance36Fits D-Port heads including ZZ4 crate engines52Will not fit Saginaw close ratio with 825 power steering box69Must use stock big-block frame stands and motor mounts92Will fit most angle plug heads including factory Chevrolet Bowtie heads93Requires removal or modification of locking steering columns if equipped96Installation requires use of 1979-later AC compressor bracket and short compressor133Does not fit with Powerglide transmission180Requires use of LS1 adapter plate kit181Includes 3″ to 2-1/2″ reducers with O² fittings
