Customer Favorite Iag 550 Street Cylinder Heads Package - N25 Heads (no Cams & Lifters / No Chamber Mods) - 2018-2019 Subaru Sti Type Ra / 2019-2021 Sti Add To Cart [zea3f6tV]

IAG 550 Street Cylinder Heads Package

The IAG 550 Street Cylinder Heads Package is the ultimate solution for Subaru STI enthusiasts seeking to enhance their vehicle's performance. Designed as a stock replacement for the N25 heads, this package is perfect for beginners looking to boost their engine's power output without the complexity of advanced modifications. With a focus on reliability and ease of installation, the IAG 550 heads are a practical choice for those aiming to achieve up to 550 BHP.

Engineered for Performance and Durability

Crafted from brand-new components, the IAG 550 Cylinder Head Set ensures precise compatibility with your Subaru STI. Each head is meticulously machined and assembled with premium GSC valves, Viton stem seals, and IAG Stage 1 valve springs for superior performance and longevity. The package includes a multi-angle valve job, cam lobe clearance machining, and resurfacing for a smooth, uniform finish. This comprehensive process guarantees optimal airflow and valve operation, enhancing your engine's efficiency and power.

Comprehensive Package with Optional Upgrades

The IAG 550 Street Cylinder Heads Package comes complete with all the essential components for a seamless installation. It includes brand new Subaru OEM WRX or STI cylinder head castings, multi-angle valve job, machined cam lobe clearance, and resurfacing. Additionally, it features GSC 36mm intake valves, GSC 32mm exhaust valves, IAG Stage 1 valve springs with titanium retainers, and GSC valve stem seals. For added versatility, the package also offers optional GSC S1 camshafts and OEM lifter buckets. Note that this package does not include camshafts, lifters, and chamber modification, allowing you to customize your setup according to your needs.