ADA GSR40 Intake Manifold Heat Spacer $4.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: AV761 ABOUT THIS PRODUCT:ADA GSR40 Intake Manifold Heat SpacerAboutAboutHeat spacer for billet intake manifold for the G43L engine (GSR40, GSR40-TS, and Go-Bike). This item is included in the ADA GSR HP carb kit. Must be used in combination with ADA GSR40 Billet Intake Manifold and Walbro WYK carb.