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Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
Celebrating 250 Years of American Freedom. More Horsepower. More Burnouts.
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GM HEI Weight & Spring Kit

by MSD
Save 14% Save 14%
$66.02
$66.02 - $66.02
$66.02
$56.59
$56.59 - $56.59
$56.59

The Kit comes with new advance weights, springs to set the rate of advance and new bushings.

Processing & Shipping Overview

Processing occurs before shipping.

Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.

Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.

For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.



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