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Product Fitment:
2004-2021 Subaru STI
2002-2014 Subaru WRX
Designed for high-performance Subaru EJ engines, the Kelford Beehive Valve Spring and Titanium Retainer Kit is essential for high-lift camshaft applications and high-RPM durability. Engineered with premium materials and advanced surface treatments, this kit ensures reliability, endurance, and optimized valve control at elevated engine speeds.
Features:
Compatible with EJ20 and EJ25 engines in 2002–2014 WRX and 2004–2021 STi
Required for use with select Kelford camshaft sets
Ovate wire PACALOY beehive springs for reduced mass and improved valve control
Titanium retainers for lightweight strength and precision
Nano-peen and gold nitride surface finishes enhance spring fatigue resistance
High-frequency spring design with 100 lb seat pressure at 35.50 mm installed height
12.0 mm maximum valve lift with 23.00 mm coil bind height
Includes:
(16) Beehive Valve Springs
(16) Titanium Retainers
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