MSD D510c Coils

Marsoni

M251S

$299.98

Get it in 3 business days with 1 day shipping. Friday, May 29

MSD D510c CoilsHolley MSD Blaster LS Series Ignition Coils High Performance Ignition Upgrade for GM LS Engines Enhanced Spark Energy Delivers a more powerful spark for improved throttle response and performance Direct Bolt In Replacement Fits 2005 2013 GM Gen III LS engines, including LS2, LS3, LS4, LS7, and LS9 Durable Red Housing Built for long lasting performance with a distinctive red finish Comprehensive 8 Pack Includes eight ignition coils to replace all coils

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Called around for quotes to get them replaced and everyone was quoting over $2k just for bellows. Figured I’d give it a try. The rubber is good quality and feels soft. Time will tell but this is an easy job if you’re mechanically inclined. Make sure you replace the plastic water pickup fitting while you’re at it. Found mine to be cracked on disassembly and had to wait for a new one. Should be a easy 3-4 hour job if your not doing the bearing and only doing bellows

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Reviewed in the United States on August 26, 2024

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Ben

Bozeman, US

★★★★★ 3

Just ok

Qualities OK, but for Marine applications might want better

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Reviewed in the United States on August 3, 2025

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Barbara S.

Louisville, US

★★★★★ 5

Great quality

Just as described.

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Reviewed in the United States on July 22, 2025

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Paul Kirchberger

San Leandro, US

★★★★★ 5

Bellows kit review initial inspection’s

Very good quality. The hose clamps were event the better ones you have to pay extra in most cases.

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Reviewed in the United States on April 6, 2025

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Captain Ron

Lake Worth, US

★★★★★ 5

Good value, very useful for go kart wiring

Size: 100ft, Style: 6C-18AWG

It's a good spool to have around to wire lights and things on the go karts. Also came in handy when I had to patch a bit of melted wire harness on the tail of the old Dodge.

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Reviewed in the United States on May 6, 2026