Dual Spring Kit w/ Titanium Retainers – BMW | S50B30 Euro Version 105lbs @ 38.00mm Seat Pressure

High-performance dual valve spring kit with titanium retainers for BMW | S50B30 Euro Version, improving valve control, high-RPM stability, and durability. This product requires the use of the OEM keeper. Supertech doesn't provide these keepers as part of this spring kit.

Attributes
Spring Type	Dual Valve Spring
Seat Pressure	105lbs @ 38.00mm
Retainer Material	Titanium

Specs
Outer Spring Od	29mm
Outer Spring Id	21.80mm
Inner Spring Od	21mm
Inner Spring Id	15.50mm
Seat Pressure	105lbs @ 38.00mm
Open Pressure	211lbs @ 10.00mm
Max Lift	16mm
Coil Bind	22mm
Safe Rpm Limit	8000
Retainer	ret-h70/t1
Retainer Qty	24
Seat Locator	use oem seat
Seat Locator Qty	24
Kit Spring	spr-h1022d
Rate	11.20lbs/mm
Kit Spring Qty	24