Kelford High Performance Beehive Valve Spring & Titanium Retainer Kit Subaru WRX 02-14 / STI 02-21 | KVS1847-BT

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