300-522SA Tri-Power 3x2 Intake Manifold & Carburetor Kit for Small Block Chevy Engines

Name: 300-522SA Tri-Power 3x2 Intake Manifold & Carburetor Kit for Small Block Chevy Engines
Brand: HOLLEY
SKU: 510-300-522SA
Price: 2766.95 USD
Availability: InStock

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Manifold & Carb Kits

Tri-Power 3x2 Intake Manifold & Carburetor Kit

Small Block Chevy Engines

Includes:

3x2 Intake Manifold
Center Carburetor
Outboard Carburetors
Air Cleaners
Gaskets (Air Cleaner to Carb)
Fuel Line Kit
Throttle Linkage Kit

Holley 300-522SA Tri-Power 3x2 Intake Manifold & Carburetor Kit Features:
- Legendary Holley Tri-Power system—famous from the 1967 427 Corvette
- Classic look now available for your Small Block Chevy
- Perfect for muscle cars, street rods, hot rods, rat rods, and trucks
- Economical cruising with the 325 CFM center carburetor
- Two 350 CFM outboard carbs engage for impressive horsepower
- Weiand dual plane medium rise 3x2 intake manifold
- Includes three Holley 2-barrel carburetors
- High-quality steel fuel lines
- Progressive throttle linkage for smooth performance transitions
- Reusable air filters with polished housings
- Shiny carburetor finish for a show-quality look
Holley 300-522SA Tri-Power 3x2 Intake Manifold & Carburetor Kit Includes:
- (1) 3x2 Intake Manifold 7550
- (1) Center Carburetor: 0-80683-1
- (2) Outboard Carburetors: 0-80684-1
- (3) Air Cleaners: 85R9752
- (3) Gaskets (Air Cleaner to Carb): 85R9753
- (1) Fuel Line Kit: 85R9754
- (1) Throttle Linkage Kit: 85R9755
Holley 300-522SA Tri-Power 3x2 Intake Manifold & Carburetor Kit Notes:
- Height (Front): 11.5 in. from the front sealing surface to the top of the air cleaner nut
- Height (Rear): 12.5 in. from the front sealing surface to the top of the air cleaner nut
- Requires small cap distributor (up to 5-1/8 in. diameter) such as JEGS 555-40061 or MSD 8361 (each sold separately)
- HEI-style distributors are too large and will not fit
- No current kickdown linkage adaptation for automatic transmission applications is available
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

BIG HORSEPOWER AND ECONOMY!

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. 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!

Bring classic performance and head-turning style to your build with the Holley 3X2 Small Block Chevy Intake and Carburetor Kit—the ultimate setup for hot rodders and muscle car enthusiasts craving that vintage triple-carb look with modern performance and drivability. Designed specifically for small block Chevy engines, this kit delivers excellent throttle response, airflow, and power across the RPM range.

This all-in-one package includes a polished aluminum intake manifold and three synchronized Holley two-barrel carburetors, perfectly tuned and ready to bolt on. Whether you're building a period-correct street rod or want to stand out at car shows, this setup offers both jaw-dropping looks and real performance benefits.

Looking for a dependable Holley carb for 350 Chevy builds? This kit is a perfect match. It not only enhances airflow and fuel distribution but also simplifies tuning with Holley's trusted metering and smooth operation. It's a proven solution for anyone seeking a reliable carburetor small block Chevy setup without the complexity of piecing together components individually.

The classic triple-carburetor system gives your engine bay a bold appearance while delivering noticeable improvements in throttle response and mid-range torque. It's an ideal option for cruisers and weekend drivers who want to pair old-school aesthetics with Holley's modern reliability.

From nostalgic restoration projects to custom muscle builds, the Holley carb 350 Chevy enthusiasts trust is now available in one complete, easy-to-install kit. Power your passion with Holley—where tradition meets innovation.

Part TypeIntake Manifold

Product LineHolley 3X2 Small Block Chevy Intake and Carburetor Kit

BrandHOLLEY

Package Height18.0

Package Width20.0

Package Length25.75

Weight51.0 PG

Part CategoryPerformance Parts

UsageStreet/Hi-Performance

Number Of CarbsThree

PositionUpper

EmissionWithout EGR