Engine Kits

Speed Pro VS890R Pontiac V-8's Performance Valve Spring
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Speed Pro VS890R Pontiac V-8's Performance Valve Spring



Part #: VS890R
List Price: $19.80
Our Price: $9.90
You Save: $9.90



Speed Pro Pontiac V-8's Performance Valve Spring with a 1.489 O.D. good to a .525" Max Lift.
Valve Springs represent the most commonly overlooked item when rebuilding your engine or replacing your camshaft. A new cam offers limited performance improvement if you have weak springs. It is always a good idea to check your springs or replace with the recommended aftermarket spring.

Performance Valve Springs
Position Assembly
O.D. 1.489
Max. Lift .525
Closed Pressure (Lbs.) 146
Closed Height 1.56
Open Pressure (Lbs.) 260
Open Height 1.05
Coil Bind Height 0.975
Approx. Rate/inch 224
   
Type Performance Valve Springs
Position Inner
Closed Pressure (Lbs.) 51
Closed Height 1.41
   
Type Performance Valve Springs
Position Outer
Closed Pressure (Lbs.) 79
Closed Height 1.56