







Condition: Brand New, High Quality
Item location: US shipping from CA or KY
Type: Valve Springs
Quantity: 16pcs
Feature:
The PAC-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 PAC-1218s are an ovate beehive spring that has increased loads, rates and frequencies for more aggressive cams. This is a full set of 16 springs.
Specifications:
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
OE Part Number:
PAC-1218
PAC1218
PAC-1218
PAC-1218-16
Fitment:
LS1, LS2, LS3, LS6, LS7, LS9 LSX Engines
1999-2002 Camaro & Firebird
2010-2013 Camaro
1999-2013 Corvette
2004-2006 Pontiac GTO
2004-2007 Cadillac CTS
2008-2009 Pontiac G8
2000-2013 Tahoe, Yukon, Escalade
2003-2009 H2 Hummer
2001-2013 Chevrolet Avlanche
1999-2013 Silverado & Sierra (4.8L, 5.3L, 6.0L)
Professional Installation is Highly Recommended
(Please refer to compatibility chart for details)
Please Note:
1. Please check part photos, part number (OE# of your old part), part description and compatibility chart above carefully and compare them with your old part to make sure it is what you need.
2. Any questions please contact us by clicking "ask a question" at the bottom of this page or click "contact seller" in the "purchase history".
Package Includes:
16x Springs as pictured
Installation not included
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