Single Valve Spring Kit – Nissan | TB48

High-performance single valve spring kit for Nissan | TB48, 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	Single Valve Spring
Seat Pressure	88lbs @ 38.50mm
Retainer Material	OEM

Specs
Spring Shim Qty	24
Outer Spring Od	28.10mm
Outer Spring Id	20mm
Inner Spring Od	single
Inner Spring Id	single
Seat Pressure	88lbs @ 38.50mm
Open Pressure	192lbs @ 10.00mm
Max Lift	14.50mm
Coil Bind	24mm
Safe Rpm Limit	8000
Retainer	use oem retainer
Retainer Qty	24
Seat Locator	ss-3025
Seat Locator Qty	24
Kit Spring	spr-m1007s
Rate	10.50lbs/mm
Kit Spring Qty	24
Spring Shim	ss-3025