89340S Extended Front Stainless Steel Brake Lines for GMC Chevrolet 1971-78 4-6

Product Overview

This aftermarket replacement set of extended front stainless steel brake lines is intended for 1971-78 GMC and Chevrolet applications with 4-6 inch lift and cross-references part number 89340S. Brake lines carry hydraulic fluid from the master cylinder or distribution block to the front brake assemblies, helping maintain the hydraulic circuit that operates the brakes. Extended lines are commonly used when suspension lift changes the distance between the frame and the brake components.

Key Features & Performance

• Front brake lines that route hydraulic brake fluid to the front brake assemblies as part of the vehicle braking system
• Extended length configuration intended for lifted applications where additional line length is needed
• Stainless steel construction as identified in the product title
• Cross-references part number 89340S for comparison with the existing component
• Sold as a set for the front brake circuit

Fitment & Compatibility

• for 1971-78 GMC applications
• for 1971-78 Chevrolet applications
• for vehicles with 4-6 inch lift

Common Uses

• Replacing worn, corroded, cracked, or leaking front brake lines
• Servicing the front hydraulic brake circuit during maintenance or repair
• Restoring the normal function of the front brake hydraulic system after the original lines have failed

Technical Specifications

• Product Type: Extended front stainless steel brake lines
• Part Number(s): 89340S
• Vehicle Application(s): 1971-78 GMC and Chevrolet
• General Application: Front brake circuit, 4-6 inch lift

Frequently Asked Questions

Q: What do front brake lines do? A: Front brake lines carry hydraulic brake fluid from the vehicle's brake system to the front brake assemblies, allowing hydraulic pressure to operate the brakes.

Q: How should fitment be verified? A: Compare the complete existing part number and the full vehicle model designation, including year and lift height, against the information supplied in this listing before purchase.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.