Chevy BBC 396-454 stainless shorty headers with gaskets and hardware
Big Block Chevy header gaskets collector flanges bolts and hardware
Chevy BBC shorty header primary tube and collector dimensions
Big Block Chevy shorty header overall measurements and flange details
Chevy BBC header collector reducer and connection dimensions

1965-1972 Shorty Exhaust Header for Chevy BBC Camaro Chevelle 396 402 427 454

SKU: XKV11085
Availability : In Stock Pre order Out of stock
$238.34 $152.87 SAVE $85.47
Fitment & Specs
Fits listed Chevrolet Bel Air, Biscayne, Camaro, Impala and Nova applications with 396, 402, 427 or 454 Big Block Chevy V8 engines.
3.00 in Collector Outlet
T304 Stainless Steel · Direct Bolt-On
Before You Buy: Off-road/racing use only · Professional install recommended
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Description
Chevy Big Block Exhaust Upgrade

Shorty Headers for Classic Chevy BBC Applications

Stainless steel shorty exhaust headers designed for the listed classic Chevrolet applications equipped with 396, 402, 427 or 454 Big Block Chevy (BBC) V8 engines. The short-tube design uses 1.75-inch primary tubes with 3-inch collectors and is designed to provide a smoother exhaust path than restrictive factory-style manifolds.

Product Type Shorty Exhaust Headers
Engine Family BBC 396 / 402 / 427 / 454
Primary / Collector 1.75" / 3.00"
Vehicle Fitment

Confirm Your Chevy Application

Vehicle Year Engine
Chevrolet Bel Air 1965-1970 396 / 402 / 427 / 454 BBC V8
Chevrolet Biscayne 1965-1970 396 / 402 / 427 / 454 BBC V8
Chevrolet Camaro 1967-1969 396 / 402 / 427 / 454 BBC V8
Chevrolet Impala 1965-1970 396 / 402 / 427 / 454 BBC V8
Chevrolet Nova 1969-1972 396 / 402 / 427 / 454 BBC V8
Fitment Note: These are application-specific Big Block Chevy shorty headers. Confirm vehicle model, model year and engine before ordering. Vehicle year alone does not determine compatibility.

Key Details

Shorty Header Design

  • Shorty / short-tube exhaust header configuration
  • 1.75-inch primary tube diameter
  • 3.00-inch collector diameter
  • Designed to reduce exhaust restriction
  • Direct bolt-on design for the listed applications

Stainless Steel Construction

  • T304 stainless steel construction
  • 3/8-inch thick flanges
  • Computerized mandrel-bent tubing
  • TIG and MIG welded construction
  • No weld-up assembly required

Built for Big Block Chevy Exhaust Flow

Smoother Exhaust Path

Mandrel-bent primary tubes are designed to provide a smoother exhaust path from the cylinder heads into the collectors, helping reduce restriction compared with restrictive factory-style exhaust manifolds.

Short-Tube Configuration

The compact shorty layout is designed for the listed classic Chevy BBC applications while maintaining a performance-oriented exhaust header configuration.

Installation & Fitment Notes

Before Installation

  • Confirm vehicle model, year and Big Block Chevy engine.
  • Verify the vehicle uses a 396, 402, 427 or 454 BBC V8 application listed above.
  • Compare header flange layout, collector position and surrounding clearance with the existing exhaust setup.
  • Verify steering, engine-bay and exhaust connection clearance before final installation.

Installation Notes

  • Designed for direct bolt-on installation for the listed fitment.
  • No weld-up assembly is required.
  • Installation requirements may vary with the vehicle's existing exhaust configuration.
  • Professional installation is recommended.
502 Gen VI Clearance Note Chevy 502 Gen VI big block engines equipped with aluminum cylinder heads may have clearance issues in some applications. The lower area of the header flange may contact the cylinder head bolts. Verify clearance before installation.

Before You Buy

  • Designed for the listed classic Chevrolet applications equipped with 396 / 402 / 427 / 454 Big Block Chevy V8 engines.
  • This product uses a shorty / short-tube header configuration, not a long-tube header design.
  • Primary tube diameter is 1.75 inches with 3.00-inch collectors.
  • Verify vehicle model, year, engine, header clearance and existing exhaust connection before ordering.
  • 502 Gen VI engines with aluminum cylinder heads may have clearance issues in some applications.
Shipping & Return

SHIPPING & DELIVERY
Fast Processing & Reliable Transit

  • Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
  • Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
  • Shipping - Free shipping on all orders within the contiguous 48 U.S. states.

RETURNS & EXCHANGES
30-Day Hassle-Free Policy

  • Return Window: We offer a 30-day return policy from the date of delivery.
  • Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
  • Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.

WARRANTY
2-Year Limited Replacement Warranty

  • Duration: All products are backed by a 2-year limited warranty.
  • Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).

CUSTOMER SUPPORT
We’re Here to Help – Contact Us First

  • Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
  • Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
  • Email Support: You can reach us at support@XKVracing.com.

What Does an Exhaust Header Actually Do?

The exhaust header is the first section of the exhaust system and mounts directly to the engine. Its role is to collect exhaust gases from each cylinder and route them into the rest of the exhaust system.

Compared to many factory manifolds, header designs often focus on smoother internal flow and more uniform exhaust routing before gases move downstream.

What You May Notice After Installation

Smoother exhaust flow as engine speed increases

More consistent engine behavior across the RPM range

Improved exhaust routing when paired with other intake or exhaust components

Changes in exhaust tone, depending on system configuration

When This Type of Upgrade Is Typically Considered

Addressing airflow limitations in the factory exhaust manifold

Planning coordinated intake or exhaust system updates

Replacing aging or restrictive original components

Build a balanced, performance-focused setup

Factory Manifold vs. Performance Header

Factory Exhaust Manifold

Designed to meet packaging, cost, and emissions requirements
Prioritizes durability and compliance across broad use cases

Performance Exhaust Header

Designed with exhaust flow characteristics in mind
Built for higher exhaust temperatures and specific vehicle platforms
Commonly used as part of an exhaust system configuration

FAST SHIPPING

Ships within 1 business day after payment
3–4 business day delivery

Secure and Reliable Checkout

Secure checkout with major payment options

LOCAL WAREHOUSE

Orders ship from U.S. warehouses when available

Easy Returns and Exchanges

30-day returns for eligible unused items

Parts Warranty

Warranty support for qualified manufacturing defects

Important Notice

Products on this site are intended for off-road, racing, or closed-course use where emissions laws apply. They are not represented as street legal, emissions-compliant, or legal for use on public roads unless explicitly stated.

Some products may remove, replace, relocate, disable, or alter emissions-related components, including but not limited to catalytic converters, EGR, DPF, SCR, DOC, O2 sensors, or related factory systems. Compatible tuning, calibration, or supporting modifications may be required to avoid engine codes or drivability issues.

Professional installation is recommended. Buyers are responsible for verifying product compatibility, local regulations, emissions requirements, and any required tuning or supporting modifications before purchase and installation.

Performance gains, sound changes, airflow improvements, temperature changes, fuel economy changes, fitment, and drivability results may vary. No specific performance gains are guaranteed.

Frequently Asked Questions

What do exhaust headers do? +

Exhaust headers help route exhaust gases away from the engine through individual tubes and collector-style routing. Actual results depend on the vehicle, engine condition, exhaust system, installation quality, and supporting components.

What's the difference between headers and factory manifolds? +

Factory manifolds are typically designed around packaging, durability, emissions requirements, and production cost. Headers or manifold-related exhaust upgrades may use different tube routing, flange designs, or connection layouts depending on the application.

Will headers increase horsepower? +

Headers may support improved exhaust flow where the product is compatible, but horsepower and torque changes are not guaranteed. Results vary by engine setup, tuning, exhaust configuration, vehicle condition, installation, and supporting modifications.

Do headers make the vehicle louder? +

Headers and related exhaust parts can change exhaust tone and may increase sound depending on the rest of the exhaust system. Final sound level depends on the engine, mufflers, catalytic converters, pipe routing, and complete exhaust setup.

Do I need tuning after installing headers? +

Tuning requirements depend on the vehicle, engine management system, O2 sensor setup, emissions equipment, and supporting modifications. Some installations may not require tuning, while modified builds may require professional inspection, calibration, or tuning to support proper drivability.

Are header products street legal? +

Header and exhaust products may be intended for off-road or racing use where emissions laws apply. They are not represented as street legal, emissions-compliant, or CARB-compliant for public road use unless a valid exemption is explicitly stated. Always check local regulations before purchase and installation.

Can I use headers with a stock exhaust system? +

Compatibility with a stock exhaust system depends on the vehicle and existing exhaust configuration. Some vehicles may require additional hardware, gaskets, connectors, adjustment, or fabrication to complete installation.

Are headers hard to install? +

Installation difficulty varies by vehicle. Tight engine bays, old hardware, rust, engine swaps, modified exhaust systems, sensor placement, and clearance around surrounding components can increase installation complexity. Professional installation is recommended.

Will headers affect reliability? +

Reliability depends on fitment accuracy, installation quality, vehicle condition, heat management, gasket sealing, fastener condition, sensor placement, and supporting components. Proper inspection and installation are important.