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Model 3210 Throttle Body Injection | Holley Performance (502-7)


2 bbl - TBI - 670 cfm - 2 in. Throttle Bore - 50 State Legal

Holley Performance Model 3210 Throttle Body Injection 502-7

View List of Automotive Applications


Holley Performance - Model 3210 Throttle Body Injection - Part#: 502-7 Features:

  • Direct Replacement For OE Units
  • 2 in. Throttle Bore
  • 42 Percent Area Increase Over Stock Tbi
  • Including Air Distribution Ring
  • Increased Torque and Horsepower Up To 25 Percent

Product Documents:

View List of Automotive Applications

Below is an abbreviated list of applications for: Model 3210 Throttle Body Injection:
S10 Pickup, S15 Pickup, Sonoma, Syclone, Chevrolet, GMC, 1991, 1990, 1989, 1988


Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.

Shipping Information

  • Item Requires Shipping
  • 5.4 lbs.
  • W11.2500” x H7.8800” x L11.6300”