MSD GM HEI High output replacement HEI module with built-in rev limiter
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Not Valid With Any Other Sales Offer
There is no minimum purchase amount required for free shipping on this item. Offer is only available at YEARONE.com for shipping within the 48 contiguous states, phone orders are not eligible. Offer is not valid on previous purchases and cannot be combined with any other sale or promotion offers unless otherwise stated. This offer is not transferable and will not be extended. This is a limited time offer. Pricing and promotions may change at any time without prior notice.
Not Valid With Any Other Sales Offer
The multi price discount allows you the opportunity to buy additional units of this part at a discounted price according to the published price schedule. Price will be updated as you change quantities on the product page. Not valid with other discount codes. Pricing and promotions may change at any time without prior notice.
Part Number:MSD83647
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MSD GM HEI High output replacement HEI module with built-in rev limiter
MSD Digital GM high-energy modules with rev limiters allow you to adjust the rpm limit between 5,000 and 9,000 rpm. True high-performance modules built for HEI distributors, they produce 50 percent higher coil drive currents than the stock module. This saturates the coil faster, which gives you more spark energy at top speeds. The results are increased horsepower and rpm range, and improved starting. When used with MSD's HEI coil, these plug-in modules create a potent high-energy spark to 9,000 rpm. MSD GM HEI modules replace all 4-pin modules used in HEI distributors with a vacuum advance canister. They can be used with factory, aftermarket, or MSD HEI distributors.
This module fits stock GM HEI distributor housings (original condenser assembly must be removed) or MSD-8365 Pro-Billet HEI distributors only.
This product requires a non refundable core cleaning fee. This fee will be reflected in your cart at checkout.
Note: A customized part can only be added once per order.
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WARNING: This product can expose you to chemicals including but not limited to lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride and/or 4, 4'-methylenebis (2-chloroaniline) which are known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
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