Conical Spring Kit w/ Titanium Retainers – BMW | B58B30 75lbs @ 37.00mm Seat Pressure

High-performance conical valve spring kit with titanium retainers for BMW | B58B30, improving valve control, high-RPM stability, and durability.

Attributes
Spring Type	Conical Valve Spring
Seat Pressure	75lbs @ 37.00mm
Retainer Material	Titanium

Specs
Outer Spring Od	24.40mm
Outer Spring Id	17.60mm
Inner Spring Od	21mm
Inner Spring Id	14.20mm
Seat Pressure	75lbs @ 37.00mm
Open Pressure	155lbs @ 10.00mm
Max Lift	12.20mm
Coil Bind	23.20mm
Safe Rpm Limit	8000
Retainer	ret-bmb48/te ; ret-bmb48/ti
Retainer Qty	8 ; 8
Seat Locator	seat-bm48/t1
Seat Locator Qty	24
Kit Spring	spr-fe20be
Rate	7.8lbs/mm
Kit Spring Qty	24