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
• With Air Tubes
  
  
• Must modify stock exhaust to retain catalytic converters
• Installation Requires A/C Bracket 387-10042
• Applications with oxygen sensors use reducers 387-10105 for 2-1/2' three bolt flange or 387-10110 for 3' three bolt flange
• Pre-1970 Models w/Exhaust Manifold Mounted Alt./Gen. Use Bracket 387-10031
• 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

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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