1987-89 5.7L GM Truck

670 CFM Two Barrel TBI

PART# 502-6

Suggested Retail: $624.95
Your Price:$561.95
Free Shipping on orders over $100*
  • Direct Replacement For OE Units
  • 2 in. Throttle Bore
  • 42% Area Increase Over Stock TBI
  • Including Air Distribution Ring
  • Increased Torque and Horsepower up to 25%
  • 50 State Legal
Holley designed these throttle bodies with all relevant emission provisions and hook-ups for a true 50-State legal installation. They are engineered for a “bolt-on” installation on stock factory manifolds for the applications cataloged. The one barrel throttle bodies have been assigned California Air Resources Board (C.A.R.B.) Executive Order (E.O.) number D-115-4. The two barrel throttle replacement bodies are considered to be the functional equivalent of the original equipment throttle body and, as such, are considered to be 50-State legal. Therefore, the C.A.R.B. E.O. number is not required.
Emission Code1
Product TypePerformance TBI
Throttle Bore2 inch
Fits 1987-89 5.7L V8 Full Size Chevy/GMC Truck

This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
*Free Shipping & Handling only offered to the continental US on orders over $100.
[X]Hooker Blackheart Mustang Giveaway