2.5" powdercoated external wastegate downpipe. WILL NOT WORK ON STOCK EXHAUST HOUSINGS OR EXHAUST HOUSINGS WITHOUT A 2-BOLT 38MM WASTEGATE MOUNTING FLANGE.

Fits: Turbonetics Delta & Evo, Precision 39mm, Tial 38mm.

We recommend an OEM graphite gasket for a stock block, unmachined block surface

WE OFFER THESE INDIVIDUALLY, SO BE SURE TO LIST QUANTITY NEEDED WHEN ORDERING

Replace that crummy looking idle air control valve housing and angle your IAC to make room for bigger intakes at the same time with Cotton's polished aluminum IAC angled housing. Comes with gasket and hardware.

This hi-output ignition coil is a must for replacing original and weak coil packs

Comes with gasket

AC Delco TRUE Mini Starter for the 3.8T Buick.

CLASSIC TUBE now has an exact oil-cooler replacement hose set, unique to the ’86-’87 models. GM discontinued these Grand National and Turbo Regal oil cooler hoses long ago. CLASSIC TUBE has duplicated the hard line hose ends and fittings to exactly match your radiator high and low pressure inlet and outlet.

Cotton's aluminum vacuum block accepts SIX 1/8" NPT fittings for custom vacuum lines... comes with gasket and mounting hardware.

*Does not include fittings

Kit option includes:
12x straight 1/8" NPT fittings
20 ft of 5/32" hard vacuum line