ITEM #	DESCRIPTION
IDM-2311XS2	IMCA Dirt Modified 4-1 Header Sup. Super Spec Brodix Single Step 1 3/4 x 1 7/8 x 3.5
IDM-23S1-602	IMCA Dirt Modified 4-1 Header 602 Crate Single Step 1 5/8 x 1 3/4 x 3
IDM-23D1	IMCA Dirt Modified 4-1 Header 1 5/8 x 1 7/8 x 3 23 degree Double Step
IDM-23D1-BV	IMCA Dirt Modified 4-1 Header 1 5/8 x 1 7/8 x 3 23 degree Bowtie Vortec Double Step
IDM-23D1-DP	IMCA Dirt Modified 4-1 Header 1 5/8 x 1 7/8 x 3 23 degree Dart Platinum Double Step
IDM-23S1	IMCA Dirt Modified 4-1 Header Single Step 1 5/8 x 1 3/4 x 3
IDM-23S1-604	IMCA Dirt Modified 4-1 Header 604 Crate Single Step 1 5/8 x 1 3/4 x 3
IDM-23S1BV	IMCA Dirt Modified 4-1 Header Bowtie Vortec Single Step 1 5/8 x 1 3/4 x 3
IDM-23S1DP	IMCA Dirt Modified 4-1 Header Dart Platinum Single Step 1 5/8 x 1 3/4 x 3
IDM-23S2	IMCA Dirt Modified IDM 4-1 Header Single Step 1 3/4 x 1 7/8 x 3.5
IDM-23S2BV	IMCA Dirt Modified 4-1 Header Bowtie Vortec Single Step 1 3/4 x 1 7/8 x 3.5
IDM-23S2DP	IMCA Dirt Modified 4-1 Header Dart Platinum Single Step 1 3/4 x 1 7/8 x 3.5
IDM-525	IMCA-UMP Dirt Modified 4-1 Header 525 Crate Motor
IDM-602-10S1	IMCA-UMP Dirt Modified Header 602 Crate Motor Single Step 1 5/8 x 1 3/4 w/Divider Plate, Muffler & Extension
IDM-602-NSM	IMCA-UMP Dirt Northen Sprot Modified header 602 Crate Motor, Straight 1 5/8 tube, 9" collector w/ 10" turndown
IDM-604-10S1	IMCA-UMP Dirt Modified Header 602 Crate Motor Single Step 1 5/8 x 1 3/4 w/ Divider Plate, Muffler & Extension
IDM-604-S1	IMCA Dirt Modified 4-1 Header 604 Crate Single Step 1 5/8 x 1 3/4 x 3
IDM-FND1	IMCA Modified 4-1 Ford N Double Step 1 5/8 x 1 7/8 x 3
IDM-FNS1	IMCA Dirt Modified Ford N Header Single Step 1 5/8 x 1 3/4 x 3
IDM-FSC1S2	IMCA Dirt Modified Ford SC1 Header, Single Step 1 3/4 x 1 7/8 x 3.5