Number of Springs Per Valve: Single

Outside Diameter of Outer Spring (in): 1.290 in.

Coil Bind Height (in): 1.140 in.

Damper Spring Included: No

Install Load: 130lbs

Install Height: 1.800"

Open Height: 1.175"

Open Load: 318 lbs

Spring Rate (lbs/in): 313 lbs./in.

Inside Diameter of Outer Spring (in): 0.885 in.

Valve Spring Style: Beehive

LS1/LS2/LS6/L92/LS3/L99/1999-2013 GM Truck (Silverado/Sierra) 4.8L, 5.3L, 6.0L, 6.2L Engines

These one piece precision formed pushrods are constructed from SAE 4130 chromoly tubing, centerless ground to exacting tolerances, and case hardened to RC60.

7.400" is the standard LS length, but any of the following can affect pushrod length required and each application may be different. 

Cylinder Head Deck Thickness

Block Deck Height

Valve Stem Length

Rocker Arm Brand

Cam Shaft Base Circle Diameter

Lifter Design, Etc.