Hedman Hedders 65101 Long Tube Exhaust Headers Small Block Chevy 1-3/4 Inch

These headers are engineered to deliver improved horsepower and torque over restrictive factory exhaust manifolds, making them an excellent performance upgrade for classic Chevelle and A-body applications.

Key Specifications:

• Primary tube diameter: 1-3/4 inch (1.75")
• Collector diameter: 3 inch
• Header style: Long tube one-piece design
• Material: 16-gauge mild steel construction
• Flange thickness: 0.3125 inch (5/16")
• Finish: Uncoated with temporary protective paint (not high-temperature)
• Ball and socket collector attachment (gasketless design)
• Reducer outlet size: 2-1/2 inch

Features and Benefits:

• Long tube design maximizes top-end horsepower and torque gains
• Ball and socket collectors eliminate the need for gaskets and allow for exhaust system misalignment
• 16-gauge mandrel-bent tubing ensures smooth exhaust flow
• Rectangular port configuration for compatibility with standard cylinder heads
• Compatible with power steering and automatic transmission (column or floor shift)
• Compatible with manual transmission (floor shift only)
• Not compatible with air conditioning or air injection systems

• Pair of headers (left and right)
• Mounting bolts and hardware
• Head gaskets
• Ball and socket reducers (exhaust adapters)
• Installation instructions

Important Notes:

• Designed for vehicles without smog injection or air injection (A.I.R.) systems
• Not legal for street use on 1975 and later model year vehicles; intended for off-road and racing use only
• Temporary paint coating will burn off during initial use; additional high-temperature coating recommended
• Will not fit 1967-69 models with Saginaw close ratio power steering and 825 power steering box
• May require modification to stock exhaust system to retain catalytic converter

Hedman Hedders backs these headers with a limited lifetime warranty on construction, reflecting their confidence in the quality and durability of their products. Made in the USA since 1954, Hedman has built a reputation for delivering performance headers at competitive prices.