Description

Flowtech Headers Chevy SB 283-400, Truck 1966-91.

• Long Tube Headers
• Chevy 283-400
• 1966-87 Chevy/GMC 1/2, 3/4 1-Ton 2WD/4WD
• 1966-91 Blazer/Jimmy K5, Suburban 4WD
• 1967-87 Chevy Blazer GMC Jimmy 2WD
• 1988-91 Chevy/GMC 1-Ton Crew Cab 2WD/4WD
• 1.5” Tube
• 3” Collector,
• Svartmålade,
• For emissions A.I.R. Injection Tubes use part number387-11500S
• Must modify stock exhaust to retain catalytic converters
• Installation Requires A/C Bracket387-10042
• Applications with oxygen sensors use reducers387-10110for 3” three bolt flange
• Pre-1970 Models w/Exhaust Manifold Mounted Alt./Gen. Use Bracket387-10031
• May require clutch linkage modifications
• On 1983-84 4WD, it is necessary to remove the rubber stopper below the starter
• On 1988-91 1-Ton Crew Cab Pickup, only fits C30 chassis
• Will not fit angle plug heads,
• All mounting hardware and gaskets are included for a simple installation.

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