RPM Series this is Performance with an Attitude
Features
      Features
- PACALOY Supiir Clean Wire to Ensure Satisfaction
 - In House Heat Treating for the BestIn Rate and Strength Benefits
 - MultiPeen Process to Optimize Service life
 - Polishing to Improve Operating Cycles
 - Nano-Peen M Propr etary Surface Treatment
 
- Valve Spring Style:
 - Beehive
 - Number of Springs Per Valve:
 - Single
 - O.D. Outer Spring (in.):
 - 1.445 in.
 - Coil Bind Height (in.):
 - 1.210 in.
 - Damper Spring Included:
 - No
 - Spring Rate (lbs/in.):
 - 370 lbs./in.
 - I.D. of Outer Spring (in.):
 - N/A
 - I.D. of Inner Spring (in.):
 - N/A
 - Valve Springs Coated:
 - No
 - Maximum Valve Lift (in.):
 - 0.650 in.
 - Retainers Included:
 - No
 - Retainer Material:
 - N/A
 - Locks Included:
 - No
 - Lock Material:
 - N/A
 - Valve Stem Seals Included:
 - No
 - Installed Height:
 - 160 lbs. @ 1.900 in.
 - Open Height:
 - 400 lbs. @ 1.250 in.
 - Quantity:
 - Sold as a set of 16.
 - Notes:
 - 1.095 in. o.d. and 0.650 in. i.d. at top of spring.
 - Make:
 - Chevrolet
 - Engine Family:
 - Chevy big block Mark IV
 - Engine Sizes:
 - 6.5L/396-7.4L/454
 - Years:
 - 1965-1991