The Valve spring kit suitable for higher horsepower applications with higher lift and RPM requirements.

This kit includes 16 dual valve springs, steel spring seats, steel retainers, collets and valve stem seals.

Engine Applications: GM LS Series V8

Set includes:

16 Dual Valve Springs
16 Steel Valve Spring Seats
16 Valve Stem Seals
32 Steel Collets

Specifications

Spring O.D. 33.122 mm / 1.304"
Spring I.D. 24.130 mm / 0.950"
Inner Spring I.D. 17.628 mm / 0.694"
Install Load 72.575 kg / 160 lb
Install Height 45.720 mm / 1.800"
Open Load 192.777 kg / 425 lb
Open Height 28.575 mm / 1.125"
Bound Height 25.908 mm / 1.020"
Maximum Lift 16.510 mm / 0.650"
Spring Rate 68.650 N/mm / 392 lb/in