05-10 Chevrolet Cobalt/HHR Aluminum Exhaust Header Gasket Speedzone Performance LLC  Idle Load Trims

 Idle Load Trims

Mounting straps

96-00 Honda Civic 3-Door Catback Exhaust System Stainless Steel

This gasket handles the thermal cycling and pressure that comes with engine swaps

Damping Levels 40-Level Height Adjustment Yes Spring Rate(Front) 14 kg/mm (784 lbs/inch) Spring Rate(Rear) 8 kg/mm (448 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 200 mm Front Top Mount Yes

05-10 Chevrolet Cobalt/HHR Aluminum Exhaust Header Gasket Speedzone Performance LLC  Idle Load Trims05 10 Chevrolet Cobalt HHR Aluminum Exhaust Header Gasket Aluminum construction seals your header to manifold joint without warping or blowout. Engineered to handle repeated heat cycles on stock and modified engines. Direct fit for your platform's factory mounting points. Ships from FL Warehouse Aluminum Construction Direct from Warehouse Key Features Aluminum core material Resists thermal warping better than composite gaskets under sustained exhaust