Block Hugger Exhaust Headers for Chevy Small Block SBC V8 265 283 305 327 350 400

4.5' (10 reviews)
Regular price $149.99 USD
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SKU: AM-33030
SBC Block Hugger Headers T304 Stainless Steel Shorty Style for Small Block Chevy V8 Main Unit
$149.99 USD

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Fitment and Compliance Notice: Professional installation is recommended. Verify vehicle fitment, clearance, exhaust requirements, and local regulations before purchase.

Key Features

Universal Block Hugger Design

These SBC block hugger headers are engineered for tight fit applications where standard long tube headers won't clear. Perfect for engine swaps and classic builds with limited engine bay space. Designed as Chevy tight-fit headers for challenging installations.

Premium Stainless Steel Construction

Crafted from high-quality stainless steel with 16-gauge tubing and thick 3/8" flanges for superior durability and corrosion resistance. Our Chevy Hugger headers are built to withstand extreme temperatures and harsh conditions.

Optimized Flow Design

Features 1-1/2" inlet primaries and 2-1/2" outlet collectors for improved exhaust flow and performance gains. These small block Chevy block hugger headers deliver better throttle response and horsepower compared to stock manifolds.

Complete Installation Kit Included

Includes reducer and metal gaskets for immediate installation. These 350 block hugger headers come ready to bolt on your Chevy 350 or other SBC engines, including 265, 283, 305, 327, and 400.

Wide Engine Compatibility

Fits all 1955-up Small Block Chevy V8 engines, including 265, 283, 305, 327, 350, 383 stroker, and 400—perfect SBC shorty headers solution for street rods, hot rods, and classic Chevy restorations.

Description

When you're building a classic street rod or performing an engine swap into a tight engine bay, standard long tube headers simply won't fit. That's where our block hugger headers shine. These Chevy 305 block hugger and SBC tight headers are specifically designed for applications where clearance is critical.

Our small block Chevy tight headers feature a compact, center-dump design that hugs the engine block closely, providing maximum clearance for steering boxes, crossmembers, and other chassis components. Whether you're working on a 327 Chevy headers project or need Chevy hugger headers for your 350 build, this design offers the clearance you need without sacrificing performance.

Built from premium stainless steel, these headers resist corrosion and maintain their appearance even under extreme heat. The 16-gauge tubing ensures excellent durability, while the thick 3/8" flanges prevent warping and ensure a leak-free seal. TIG-welded construction and CNC-machined flanges guarantee precise fitment every time.

At AMVirtuo, we believe performance upgrades shouldn't break the bank. These block hugger headers offer professional-grade quality at a price that respects your budget, backed by our commitment to helping Chevy enthusiasts get more from their vehicles.

Compatibility

Engine Type Displacement Years / Status
Small Block Chevy V8 265 CID 1955-1957 | Fits
Small Block Chevy V8 283 CID 1957-1967 | Fits
Small Block Chevy V8 305 CID 1976-2003 | Fits
Small Block Chevy V8 327 CID 1962-1969 | Fits
Small Block Chevy V8 350 CID 1967-2003 | Fits
Small Block Chevy V8 383 Stroker Aftermarket | Fits
Small Block Chevy V8 400 CID 1970-1980 | Fits

⚠️ Important Fitment Exceptions

Not Compatible With: Side-mount or clamshell-style engine mounts (commonly 1958-1972 full-size Chevy passenger cars), angle plug cylinder heads, vehicles with raised engine mounts, Corvette models with side exhaust (1963-1967), and LS-series engines.

For Engine Swaps: Verify clearance with your specific engine mounts, steering box location, and frame rail width before purchase.

Technical Specifications

Specification Details
Header Style Block Hugger / Shorty / Tight Fit
Primary Tube Diameter 1-1/2" (1.50")
Collector Outlet 2-1/2" (2.50")
Tube Gauge 16 Gauge
Flange Thickness 3/8" (0.375")
Material Stainless Steel
Surface Finish Natural Stainless Steel
Spark Plug Type Straight Plug Heads
Gasket Included Yes - Metal Gaskets

Headers vs Stock Exhaust Manifolds

If you're debating between block hugger headers and other options, here's what you need to know:

Feature Stock Manifolds Block Hugger Headers
Installation May require exhaust drop Install the above engine
Ground Clearance Bulky design Excellent for lowered vehicles
Exhaust Flow Restrictive casting Smooth mandrel-bent tubing
Chassis Clearance Application specific Maximum for tight spaces
Performance Factory-limited Improved over stock

The Bottom Line: Block hugger headers offer the perfect solution for tight-fit applications where long tube headers won't work. They provide better ground clearance for lowered vehicles and easier installation in cramped engine bays while still delivering performance improvements over stock manifolds.

Installation Notes

Professional installation is recommended for optimal results. Here are important considerations for your block hugger headers installation:

  • Engine Mount Compatibility: Header fitment depends on your engine mount brand and design. Verify clearance before purchase.
  • Steering Clearance: Verify clearance between header collectors and steering box, clutch linkage, and frame rails.
  • Gasket Installation: Always use the included metal gaskets for proper sealing.
  • Post-Installation Check: After installation, start the engine and listen for exhaust leaks.

Pro Tip: According to street rod enthusiasts, block hugger headers are ideal for engine swaps and lowered vehicles. They tuck close to the engine block and provide maximum ground clearance while still improving exhaust flow over stock manifolds.

What's Included

  • 1x Driver Side Block Hugger Header
  • 1x Passenger Side Block Hugger Header
  • Reducer(s)
  • Metal Gaskets

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