Ferrea Toyota 2ZZ-GE 30mm 5.45mm 111.8mm 25 Deg S-Flo +1mm Sgl Grv Comp Plus Exhaust Valve- Set of 8

These Ferrea Comp Plus exhaust valves feature a 25-degree S-Flo design, which is a specific angle that helps improve airflow into the cylinder. Each valve measures 30mm in diameter with a 5.45mm stem and a total length of 111.8mm. This set includes eight valves, each being 1mm oversized compared to stock, which can be beneficial for rebuilding or modifying your 2ZZ-GE engine's top end. The single groove design on the stem is also a notable detail for compatibility with specific valve spring retainers.

Ferrea uses well-built materials for these valves, aiming for durability under the stresses of engine operation. The Comp Plus line is known for its robust construction, suitable for engines that see regular use or are built for performance. The +1mm sizing means these valves are slightly larger than the original equipment, which can help increase the valve's sealing surface area and potentially improve cylinder filling and exhaust scavenging when properly installed and tuned.

When rebuilding or upgrading your 2ZZ-GE engine, choosing valves like these from Ferrea is a solid option. They are designed to handle the demands of a performance-oriented engine. Ensure you have the correct valve spring retainers and seals to match the single groove stem design for a proper installation.