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PAC-1218 1200 Series Performance LS1 Drop-In Valve Springs 1.290" OD .600" Lift
The World's Premier valve spring manufacturer. Nascar, Drag Racing, F1, Rally and Sprint Cars to everyday street performance engines use PAC Racing products to provide unsurpassed performance in all forms of Motorsports. Innovative designs produced by skilled spring makers from the highest quality materials ensure the highest performing springs available.
Specs for SpringsPerformance LS1 ovate beehive valve spring for applications up to .600 lift. This is drop-in spring that fits stock seats and retainers. This spring has higher loading for more demanding applications.Large End O.D. - 1.290"Large End I.D. - .885"Small End O.D. - 1.055"Small End I.D. - .650"Installed Height- 130-1.800Open Load - 318-1.200Spring Rate - 313Max Coil Bind - 1.140"Max Lift - .600"16 Springs Included
For more vigorous Street/Strip uses checkout the PAC-1218X Spring which is made with PAC's premium RPM processing!
Click here to checkout the PAC-1218X Spring
We stock a large amount of PAC Springs. If for some reason we will not be able to get your springs shipped within two business days, we will contact you asap(within the day normally) via message. For orders needed immediately please don't be hesitant to email us before purchase so we can make sure we can get your parts out right away for you.
USA Performance Parts is based on the premise that personal service from an experienced professional will help you get the correct parts for your application and the resulting performance gains that you expect WITHOUT the mistakes, mismatched parts and returns which are associated with most web-based performance suppliers.
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Questions on Fitment for your application?
If you are not sure if the parts will fit, please send us a message and we will let you know within one business day. If we can keep a mistake from happening before the purchase that is always a plus for You and us.
The picture shown is a stock picture and may be slightly different than the actual part, please refer to the description of this listing for proper fitment and specs. Please send us a message with any questions you may have.
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