Tri-Y Headers for 78-88 GM G Body 265-400 SBC 1-5/8in Primary D370Y dash-parts Bolt-On Yes/No Yes Cutting Required

Bolt-On Yes/No Yes Cutting Required Cutting May Be Required Exit Style Single Side Exit Fuel Type Gasoline Major Performance Gas Material Aluminized Steel Minor Single Muffler Yes/No Yes Profile Tour Profile Prop 65 - Short Label Prop65warning

adjustment shims

Color : Black White Amber Material/Finish : Metal Plastic Item comes in a Box

) 2 Material Stainless Steel Clamp Included No Type Direct-Fit Subtitle Federal / EPA Compliant Series OEM Grade Gasket Included Yes Finish Stainless Steel Converter Quantity 1 Substrate Material Ceramic Hangers Included Yes Inlet Attachment Bolt-On Outlet Attachment Bolt-On

Tri-Y Headers for 78-88 GM G Body 265-400 SBC 1-5/8in Primary D370Y dash-parts Bolt-On Yes/No Yes Cutting RequiredOverview: Header GM G Body SBC 78 87 Ctd Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. Features: 3 8" thick machined flanges to prevent warping CNC