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Vehicle Info NeededHOLLEYPART NUMBER: 510-300-521DA
300-521DA Tri-Power 3x2 SBC Intake and Carburetor Kit
$2,67395
Ships on 09/11/2026
Lowest Price GuaranteeTri-Power 3x2 SBC Intake and Carburetor Kit350 CFM 2300 Gold Dichromate Gasoline
Holley 300-521DA Features:
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 SB Chevy! Perfect for muscle cars, street rods, classic hot rods, rat rods, trucks and more!ECONOMY AND BIG HORSEPOWER!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!Systems Include:• 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 linkage• Reusable air filters with polished housings• Carburetors available in Dichromate or Shiny Finish- Weiand dual plane medium rise 3x2 intake manifold
- (3) Holley 2-bbl carbs
- High quality steel fuel lines
- Progressive throttle linkage
- Reusable air filters with polished housings
- Dichromate Carburetor Finish
- Height (Front) 11.5" from the front sealing surface to the top of the air cleaner nut
- Height (Rear) 12.5" from the rear sealing surface to the top of the air cleaner nut
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.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Part TypeCarburetor
BrandHOLLEY
Package Width25.0
Weight25.0 PG
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
