Help is just a click away!
Click here to chat with a Speedway Team Member
āœ–
šŸ’¬
Online - Chat with us!
Chat
Limited Time Offer     $20 off $299 | $40 off $599 | $60 off $899 | $80 off $1199      Promo: SAVENOW
$20 off $299 | $40 off $599 | $60 off $899 | $80 off $1199
Limited Time Offer   |   Promo: SAVENOW
Products to Compare (max of 3)
X
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Since 1952
in
in
Talk to the Experts. Call 800.979.0122
Shop By
Support
Account
Street Race Truck More... The Toolbox
Add to Cart
$2,254.95
$2,206.95
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2

Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2

Dual Plane | Medium Rise Intake Manifold Type, Three Carburetor Quantity, 350 CFM CFM

0 Reviews | 4 Answered Questions
Factory Shipped
Ships FREE
STORE PICKUP
Availability
Store Pickup Availability
X
Lincoln, NE -
Phoenix, AZ -
Select your vehicle to verify fitment.
Select Vehicle
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
X
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Holley 300-521 Tri-Power Manifold & Carburetor Kit, 3x2
Zoomed In Image
We estimate this item will ship on or before October 9th.
Part # 425300521
Save $48
$2,206.95
$2,254.95
each
Call to Order
Add to Buildlist
Compare
Details
Reviews
Q&A
Videos & Articles

Details

Intake Manifold Type:
Dual Plane | Medium Rise
Carburetor Quantity:
Three
Carburetor Barrels:
2-Barrel
Carburetor Flange Type:
2-Barrel 3-Bolt
CFM:
350 CFM
Choke Type:
Electric
Fuel Type:
Gasoline
Intake Manifold Material:
Aluminum
Intake Manifold Finish:
Satin
Carburetor Finish:
Dichromate
Air Cleaner Type:
Rectangle Exposed Filter
Air Cleaner Finish:
Polished
Fuel Inlet Type:
Single
EGR:
No
Linkage Included:
Yes
Fuel Line Included:
Yes
Intake Gaskets Included:
No
Intake Manifold Fasteners Included:
No
GTIN Code:
090127715024
Sold in Quantity:
Kit

Info

The world famous Holley Tri-Power Carburetor system is legendary in Chevrolet circles! They were the ultimate power statement when they came factory on cars like the 1967 427 Corvette, and now you can have the same look on your Small Block Chevy. Perfect for muscle cars, street rods, classic hot rods, rat rods, trucks and more. Cruise around economically on the 325 CFM center carb, and when you decide to step on it, the two 350 CFM outboard carbs kick in for head-snapping performance!

Includes:

  • Weiand dual plane medium rise 3x2 intake manifold
  • (3) Holley 2-bbl carbs (Two 350 CFM outboard carbs, one 325 CFM center carb w/ electric choke)
  • High-quality steel fuel lines
  • Progressive throttle linkageĀ 
  • Reusable air filters with polished housingsĀ 
  • Carburetors available in Dichromate or Shiny Finish

Charts

Installation Instructions

Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 10 business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
Some parts are not legal for use in California or other states with similar laws/regulations

More Like This

Reviews

Q & A

Videos

You May Also Like

Error
X
Note
X
Ok