IAG Red Timing Belt Kit w/ Adjustable Idlers / OEM Tensioner and IAG Guide 2002-2014 WRX / 2004-2021 STI / 2005-2012 Legacy GT / 2004-2013 Forester XT

The IAG Red Racing Timing Belt Kit is a complete, high-performance replacement for OEM Subaru timing components on EJ20 and EJ25 engines. Designed for durability and precision, the kit includes:

• IAG Red Racing Timing Belt – High-strength Kevlar construction, 300% stronger than stock, with EPDM rubber for durability in all climates and H-NBR rubber teeth for added strength. Tested extensively on IAG's Spintron machine and racing fleet for reliable, accurate timing.
• IAG Adjustable Timing Idler Pulleys – CNC machined and hand-assembled in-house for precise camshaft alignment on resurfaced cylinder heads or blocks with thicker head gaskets. Each idler features a 10mm hex for secure adjustment and is engraved with the IAG logo.
• Billet Timing Belt Guide – Machined from a single piece of 6061 billet aluminum, anodized black, adjustable for proper belt clearance, and features soft edges to prevent belt wear.
• OEM Timing Belt Tensioner & Idler – Includes factory-quality components from Fuji Heavy Industries for long-lasting reliability and to prevent catastrophic failures common with aftermarket units.

Benefits:

• High-strength, lightweight components for racing and high-performance street use.
• Adjustable idlers and billet guide allow precise cam timing alignment.
• Maintains OEM reliability with tensioners and idlers sourced directly from Subaru.
• Ideal for performance builds, resurfaced heads, thicker head gaskets, or upgraded belt applications.

Includes:

• IAG Red Racing Timing Belt (x1)
• IAG Billet CNC Machined Timing Belt Guide (x1)
• IAG Adjustable Idler Pulley (x2)
• OEM FHI Timing Belt Tensioner Assembly (x1)
• OEM FHI Timing Belt COG (x1)
• OEM FHI Small Roller (x1)