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 |  SKU: GSC5056

GSC Beehive Valve Spring & Ti Retainer Kit

Subaru FA20 Engines
$949.95
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Description

The GSC Power-Division Beehive Spring Kit with Titanium Retainers for the Subaru 2015 WRX, BRZ and Scion FRS includes 16 titanium retainers, 16 beehive valve springs, and 16 spring seats. Our beehive spring utilizes advanced material heat treatment methods for superior load loss capabilities.

These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive springs allow for the use of a smaller, lighter retainer allowing for higher RPM and more valve control. This is absolutely the most lightweight, strongest spring kit for the FA20 platform.

Valve spring performance is critical to engine durability, RPM capability, and valvetrain control. GSC Power-Division spring kits are engineered to provide the stability required for aggressive cam profiles, elevated boost levels, extended RPM ranges, and demanding racing environments.

Our spring systems are developed with careful attention to harmonics, installed loads, open pressures, coil dynamics, retainer compatibility, and long-term durability. Many GSC applications utilize advanced conical spring technology to improve damping characteristics, reduce harmonics, minimize spring stress, and maintain superior valve control at elevated engine speeds. The result is increased confidence when pushing horsepower, RPM, and boost beyond conventional limits.

Technical Specifications

  • Setup: Beehive
  • Coil Bind (in): 0.800
  • Install Height (in): 1.293 / 1.300
  • Seat Pressure (lbs): 94 / 92
  • Open Pressure: 236lbs @ 0.860" / 234lbs @ 0.867" ( 11.00mm Lift )
  • Maximum Valve Lift (in): 0.433
  • IN: 94 lbs @ 1.293" / EX: 92 lbs @ 1.300" install height
  • IN: 236 lbs @ 0.860" / EX: 234 lbs @ 0.867"
  • Max RPM: 9,500 RPM
  • Max Boost: 35 psi

Fitment Table