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Ferrea Chevy SB 1.65in 11/32in 5.56in 12 Deg S-Flo +.600 Competition Plus Exhaust Valve - Set of 8

$282.21

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Ferrea Chevy SB Competition Plus exhaust valves. 1.65in face, 11/32in stem, 5.56in length. Set of 8.

Key Features

  • Fits Chevy SB engines.
  • 1.65-inch exhaust valve face diameter.
  • 11/32-inch stem diameter.
  • 5.56-inch overall valve length.
  • 12-degree seat angle.
  • S-Flo design for improved airflow.
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About this part

Product Details

Starting with a 1.65-inch face diameter and a 5.56-inch overall length, these Ferrea Competition Plus exhaust valves are built for Chevy small-block engines. The 11/32-inch stem size is a common fitment for many performance heads, and the 12-degree seat angle is designed to work with a variety of porting and combustion chamber designs.

Ferrea uses a high-quality steel alloy for these valves, heat-treated and polished to handle the demands of a performance engine. The S-Flo design helps improve airflow by reducing turbulence as the valve opens, contributing to better cylinder filling and exhaust scavenging. This set includes eight valves, enough for a complete V8 engine rebuild or upgrade.

When rebuilding the top end of your Chevy small-block, using well-made valves like these can make a notable difference in performance and reliability. They are designed to be a direct replacement for stock valves in many applications, but always check your specific cylinder head requirements to ensure proper fitment and valve spring installed height.

Specifications

Brand
Ferrea
Manufacturer Part #
F2205P

Frequently Asked Questions

Ferrea Chevy SB 1.65in 11/32in 5.56in 12 Deg S-Flo +.600 Competition Plus Exhaust Valve - Set of 8

$282.21