The Tapered Spacer allows the APSX unit to be installed in walls less than 100mm. Each spacer decreases the depth of the wall depth requirement by 25mm. The spacers are attached to the substrate then the backing flange/unit simply screws into the tapered spacer.
JEGS 15430: Carburetor Spacer Tapered Phenolic 4500 4-Hole - JEGS
Allstar Tapered Spacers Steel 1/2in ID x 3/8in Long ALL18571 Universal spacers have many uses including spacing rod ends on linkages to prevent
Tapered Spacers Steel 1/2in ID x 3/8in Long ALL18571
Tapered Spacer1/2 in ID1 in LongSteelZinc OxideUniversalEachSteel and aluminum tapered spacers make shock or radius rod mounting neat and strong, and
Allstar Performance ALL18576 1/2 ID 1 Length Steel Tapered Spacer - Pair
1 Lightweight Carb Spacer - Tapered 4 Hole Clover Leaf 4150
Allstar Performance 5/8 ID 3/4 Length Steel Tapered
Wilson Manifolds 1.00 Tapered Lightweight Carburetor Spacer 4500
Reher Morrison — Carburetor Spacers-CNC Tapered
Hood pin spacer Tapered Spacer 3/8 in ID, 1/2 in Thick 3/8IN ID 1/2IN LONG Aluminum, Natural Sold in Pair ALL18714
Allstar Tapered Spacer (Hood Pin) - Pair
Angled Carb Spacer 4150 2in 4-Hole TaperedCarburetor SpacerAngled2 in Thick4 HoleSquare BoreAluminumBlack AnodizedEach
Angled Carb Spacer 4150 2in 4-Hole Tapered WLS003150
Tapered Spacer, 1.100, Part 5335231
Capital Motorsports TSS500-250 - 1/4 Long Steel Tapered Spacer