Vintage Air 142401 Steel-eez Chevy 235-261 Alternator & A/C Bracket Kit

The Premium Alternator Bracket for Stovebolt Six Conversions

The Vintage Air 142401 Steel-eez alternator bracket kit delivers a complete, premium-quality solution for converting your Chevy 235 or 261 inline-6 engine from a generator to a modern alternator and air conditioning system . As part of the Steel-eez product line, this bracket kit is engineered specifically for 1955-1962 Chevy 235 and 261 Stovebolt engines, providing a driver-side top-mount alternator bracket and a bottom-mount compressor bracket . Whether you’re restoring a classic Bel Air, pickup truck, or Corvette, this Vintage Air bracket kit delivers the reliability and clean installation that classic car enthusiasts demand.

What Makes the Vintage Air 142401 the Ultimate Alternator Bracket for Chevy Sixes?

The Vintage Air 142401 bracket kit is far more than a simple mounting solution—it’s a complete conversion package that addresses the limitations of original generator systems. Vintage Air designed these Steel-eez brackets specifically for inliners, mounting a popular Sanden 508 compressor and a GM-type alternator . The driver-side top-mount alternator bracket and bottom-mount compressor bracket are crafted from laser-cut, jig-welded 5/8-inch steel plate  with smooth finished edges for a professional installation .

Complete Bracket Kit Specifications

What’s Included with Your Vintage Air 142401 Bracket Kit

When you purchase this Vintage Air bracket kit from NH Race Engine, you receive a comprehensive conversion package :

• ✅ Driver-side alternator upper and lower mounting brackets 

• ✅ Air conditioning compressor bracket 

• ✅ New double-groove harmonic balancer (unique to this kit) 

• ✅ Mounting hardware kit 

• ✅ Natural steel finish for durability

Important Note: This bracket kit is designed for 1955-1962 Chevy 235-261 engines and uses stock pulleys . It works with stock intake and exhaust manifolds . The included double-groove harmonic balancer may not clear some factory air cleaner assemblies .

Vintage Air Steel-eez Bracket Technology

Vintage Air’s Steel-eez bracket line represents the gold standard for inline-6 accessory mounting. The 142401 kit features:

Premium Construction

• Laser-cut steel plate components for precision fitment 

• Jig-welded construction for consistent quality 

• 5/8-inch steel thickness for durability 

• Smooth finished edges for safety and aesthetics 

Intelligent Belt Drive Design

A unique dual-drive system uses separate belts to drive the alternator and compressor, delivering proper belt wrap for optimal accessory operation . This design ensures reliable accessory performance even under demanding conditions.

Engine Compatibility and Fitment

The Vintage Air 142401 is specifically designed for:

• 1955-1962 Chevy 235 cubic inch inline-6 

• 1955-1962 Chevy 261 cubic inch inline-6 

• All vehicles equipped with these Stovebolt six engines

Compatible Vehicles

The 142401 fits a wide range of classic Chevy vehicles with the 235 or 261 inline-6 :

• 1950-1962 Chevy Bel Air

• 1958-1962 Chevy Biscayne

• 1958-1962 Chevy Impala

• 1955-1961 Chevy Nomad

• 1953-1957 Chevy Two-Ten & One-Fifty Series

• 1955 Chevy Corvette (235 engine)

• 1960-1962 Chevy C10, C20, C30 Pickups

• 1960-1962 Chevy K10, K20 4×4

• 1947-1960 GMC Trucks (with Chevy 235/261)

• Many additional Chevrolet cars and trucks

Alternator Conversion Benefits

Converting your Stovebolt six from a generator to an alternator using the Vintage Air 142401 kit offers numerous advantages :

• Improved charging reliability – Alternators provide consistent output at idle

• Higher output capacity – Supports modern electrical accessories

• Elimination of voltage regulators – Internal regulation simplifies wiring

• Modern compatibility – Works with 12-volt electrical systems

• A/C compressor mounting – Enables reliable air conditioning installation

Alternator Compatibility

The bracket is designed for GM-type alternators, including the popular 10Si, 12Si, and CS series units . For best results, choose a true Delco-Remy alternator for optimal fit and reliability . Three-wire alternators are recommended by many experts for better charging regulation compared to one-wire units .

Bracket Installation Considerations

Professional Installation Tips

1. Verify fitment – Confirm your specific vehicle application and year

2. Check pulley alignment – Ensure proper belt tracking to prevent noise and premature wear

3. Use quality hardware – The included hardware is designed for the application

4. Belt tension – Do not over-tighten; just tight enough to prevent slipping 

5. Harmonic balancer clearance – Check that the new balancer clears your air cleaner assembly 

Common Issues and Solutions

Some Stovebolt owners have reported bracket breakage issues with aftermarket solutions—typically caused by misalignment or stress from incorrect installation . Vintage Air’s jig-welded, laser-cut 5/8-inch steel construction is designed to withstand these stresses. Ensure proper alignment during installation to maximize bracket longevity.

Why Choose NH Race Engine for Your Vintage Air Bracket Kit?

As a Netherlands-based specialist serving performance enthusiasts across Europe, NH Race Engine brings unmatched expertise to your classic Chevy project. We understand the unique requirements of European builds—from shipping logistics to regional considerations. Our team of experienced professionals can guide you through every aspect of your Vintage Air bracket purchase.

Browse our Crate Engine Accessories collection to find the perfect solution for your classic Chevy build. We also offer a complete range of supporting parts—from alternators to A/C compressors—to ensure your conversion is comprehensive and reliable.

Vintage Air 142401 FAQs

What engines does the Vintage Air 142401 fit?

The 142401 bracket kit fits 1955-1962 Chevy 235 and 261 inline-6 engines .

What’s included with the Vintage Air 142401 bracket kit?

The kit includes driver-side alternator upper and lower brackets, air conditioning compressor bracket, new double-groove harmonic balancer, and mounting hardware .

Does the 142401 include a harmonic balancer?

Yes, the kit includes a new double-groove, 6-cylinder harmonic balancer . This is a key feature of this specific part number.

What alternator does the 142401 bracket fit?

The bracket is designed for GM-type alternators, including 10Si, 12Si, and CS-series units .

What is the bracket made of?

The bracket is constructed from laser-cut, jig-welded 5/8-inch steel plate with a natural finish .

Order Your Vintage Air 142401 Bracket Kit from NH Race Engine Today

Contact NH Race Engine today to discuss your Vintage Air bracket requirements. Our expert team can help you navigate compatibility, shipping, and installation considerations for your European classic vehicle.