Conical Spring Kit w/ Steel Retainers – BMW | N55 Turbo

High-performance conical valve spring kit with steel retainers for BMW | N55 Turbo, improving valve control, high-RPM stability, and durability.

Attributes
Spring Type	Conical Valve Spring
Seat Pressure	88lbs @ 36.50mm
Retainer Material	Steel

Specs
Outer Spring Od	24.40mm
Outer Spring Id	17.60mm
Inner Spring Od	21mm
Inner Spring Id	14.20mm
Seat Pressure	88lbs @ 36.50mm
Open Pressure	160lbs @ 10.00mm
Max Lift	12mm
Coil Bind	23.20mm
Safe Rpm Limit	8000
Retainer	ret-bmn54-ti ; ret-bmn54-te
Retainer Qty	12 ; 12
Kit Spring	spr-fe20be-2
Rate	8.6lbs/mm
Kit Spring Qty	24