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SKU:
A03081-GM01X16-US
$90.00
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3mirrors LS Beehive Valve Spring Kit -.600″ Lift For GM Gen III IV ALL LS Engine PAC1218
The 16Pc-1218 Spring Kit is a drop-in high performance spring kit for all OE LS cylinder heads and is rated for up to .600″ lift.
This spring kit uses all OE hardware, including seats, retainers, and locks and is 100% drop-in.
The 16Pc-1218 are an ovate beehive spring that has increased loads, rates and frequencies for more aggressive cams.
Specification:
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
Package Includes:
16X Beehive Valve Spring

Weight 1.12 kg
Dimensions 38 × 10 × 7 cm

3 Reviews

Valve springs
So bought these on accident, thought they were pac1218s.. somehow ended up ordering these. They were well packaged and looked great. I got them and decided to go ahead and run them. They seem great with my ss2 cam and stock rockers on a 6.0 ls. Only time will tell how they last.

Woodrow7777on October 21, 2021

great quality replacement spring for LS camshaft upgrade
these springs are great replacement springs for high lift LS camshaft swaps

HEAVY HITTER 977on January 31, 2022

Worked as said so far so good
Worked as planned and a good price as well

william mcclureon March 26, 2022
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