Trick Flow Titanium 7 Deg. Valve Spring Retainers for TFS LS1 Heads 1.300 OD/0.675 ID - Set of 16

One of the best ways to develop more power is to rev your engine higher. Trick Flow titanium valve spring retainers will help you lighten your valvetrain so that you can safely and reliably get those revs. They're made from light-but-strong titanium and are available for either double or triple springs.
Outside Diameter of Outer Spring (in.): 1.300 in.
Retainer Material: Titanium
Lock Style: 7 degree
Valve Spring Style: Standard
Retainer Style: Standard
Number of Springs Per Valve: Dual
Inside Diameter of Inner Spring (in.): 0.675 in.
Locks Included: No
Quantity: Sold as a set of 16.
Notes: Fits LS1 applications. Adds 0.050 in. to valve spring installed height.