Customer Reviews
4.7 Based on 12 Reviews
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J
09/07/2020
Jeff
Canada Canada

Perfect to use with Holley LS valve covers

If you’re running the Holley LS valve covers that relocate the coil packs from that ugly bracket to directly on the v/c, these are the plug wires you want. They’re 4” shorter than the truck length ones. Keeps everything neat and tidy. No extra plug wire hanging around. I’m using them on my LM7 with the Holley LS v/c’s. Perfect fit. Not easy to get a good picture of.

Performance Improvements Wire Set; Super Conductor; Small Block Chevy with HEI Cap Review
SW
04/12/2018
Scott W.
Canada

wire set

Great product, works very well. Makes a big difference in the performance of my car

JD
30/07/2021
Jordan D.
Canada Canada

Parts did not fit described vehicle

Did not get to use. Bought based on my vehicle info in part search. Did not fit vehicle. Now I’m out the cost of temporary purchasing a generic set locally, only to have to upgrade to these soon from another supplier next time.

28/10/2021

Performance Improvements

Unfortunately, our data is only as good as the manufacturer's provide and MSD lists both MD8416 and MD8406 as fitting your 1989 GMC Suburban R2500 with the 7.4L engine. We're sorry you couldn't get the universal wires to work and processed your refund as soon as we received your return.

JL
04/06/2021
JOHN L.
Canada Canada

PI is quick to ship.

Quality set of wires and pricing is right.

BS
19/05/2021
Bill S.
Canada Canada

Online biying.

The service was Fan.!! Just very smooth & pleasant . Super .

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