FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port) turbo-blankets Is this spacer sold individually

Is this spacer sold individually or in a set

especially in the 2

Mr Gasket Fits 1965-1990 Chevrolet 396-454 Big Block with Rectangular Ports 108

Teflon impregnated carbon fiber piston seals for maximum trouble-free life

The Flow FX line of mufflers are perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case

FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port) turbo-blankets Is this spacer sold individuallyThe FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships with a set of tall removeable velocity stacks, however medium and short stack options can be purchased separately. This allows interchanging of the various runner lengths so racers can experiment with finding which combination makes the most power in their application. Its polymer construction is