




Product Fitment:
1992–1998 Subaru WRX (Version 1–4)
1994–1998 Subaru STI (Version 1–4)
Fits right-hand inlet camshaft position
The IAG RCM Alloy Camshaft Sprocket is a high-performance upgrade for the right-hand inlet camshaft position on Subaru WRX and STI Version 1–4 engines. Developed in collaboration with Roger Clark Motorsport (RCM), this sprocket is precision-machined from a single piece of high-grade aluminum, making it significantly more durable and reliable than the OEM plastic Bakelite version.
Key Features:
Single-Piece CNC Aluminum Construction:
Offers maximum strength and longevity, eliminating failure-prone seams found in two-piece aftermarket designs.
OEM Replacement for Right-Hand Inlet Camshaft:
Replaces Subaru OEM part #13044AA020 for V1–V4 WRX and STI engines.
Engineered by Roger Clark Motorsport:
Backed by over 60 years of motorsports experience and 30+ years of product development expertise.
Superior to Plastic OEM Sprockets:
OEM Bakelite designs are known to crack and degrade over time. IAG’s alloy construction eliminates this risk, improving engine reliability—especially in high-performance applications.
Built for High-Power Applications:
Designed to withstand extreme engine loads and conditions, making it ideal for tuned and modified Subarus.
Includes:
(x1) IAG RCM Alloy Camshaft Sprocket – Right-Hand Inlet
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