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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30
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Description
MSD Pro-Billet Distributor MSD8578Pro Billet DistributorFord 351W, Small Base, Magnetic Trigger, Brand: MSD Part Number: MSD8578 Description: Billet housing is 5 8" smaller in diameter than stock Ford distributors Easy to adjust mechanical advance with supplied springs and stop bushings CNC machined billet aluminium housing and billet aluminium base Maintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range Polished steel shaft is
Pro-Billet DistributorFord 351W, Small Base, Magnetic Trigger,Brand: MSD
Part Number: MSD8578
Description:
- Billet housing is 5/8" smaller in diameter than stock Ford distributors
- Easy to adjust mechanical advance with supplied springs and stop bushings
- CNC machined billet aluminium housing and billet aluminium base
- Maintenance free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing
- Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
- Mechanical advance assembly can be locked out for crank trigger systems
- Advance weight pins are staked and tig welded to the plate
- Nylon pads ensure smooth operation of the advance weights
- Supplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)
- Must be used with an MSD 6, 7 or 8-Series Ignition all of their high performance distributor experience into a special compact housing designed to be less obtrusive for Ford engines. The diameter of the special cap and housing are 5/8" smaller than stock Ford distributors providing extra room in front of the engine. The new MSD cap features spark plug style terminals and is firmly screwed down to the housing. The distributor relies on MSD's race proven magnetic pickup and precision reluctor to deliver accurate trigger signals to the MSD Ignition throughout high rpm. The reluctor assembly is turned by a hardened steel shaft which rides in a sealed ball bearing for high rpm stability and endurance. Mounted to the top of this shaft is a fully adjustable mechanical advance assembly. The rate at which the chro-moly assembly advances the timing is easily controlled by changing the supplied advance springs and stop bushing for total advance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Great Chew Toy for Daily Play
Size: 6 in, Color: Blue, Size: 6 in, Color: Blue
My dog absolutely loves this toy. From the first moment he grabbed it, he wouldn’t stop playing with it. He chews on it, runs around with it, and even sleeps with it sometimes. What I like most is how durable it is — even with constant biting, pulling, and chewing, it hasn’t broken or shown any damage. The material feels strong but still safe for him to chew. The texture also seems to keep him entertained because it massages his gums while he plays. It’s lightweight, easy for him to carry, and the shape makes it fun for both chewing and tossing. This toy has become one of his favorites, and I’m really happy with the quality. I would definitely recommend it for dogs who love to chew.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
★★★★★ 5
Longest lasting toy in our toy box
Size: 6 in, Color: Blue
My German shepherd/Austrian shepherd mix destroys toys very quickly. This is his longest lasting toy that he actually uses and still has no visible signs of destruction.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
★★★★★ 5
actually durable
Size: 6 in, Color: Blue
my puppy shreds every "indestructible" toy I give to her instantly. she's had one for months and it is only missing a corner of it, so I bought a spare. it also smells like food. she loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2025
★★★★★ 5
These were challenges for my aggressive chewers! Quality ingredients.
Pattern Name: Peanut Butter, Size: 6 Inch (Pack of 15)
My dogs absolutely love these and the hardness keeps them busy for a while. The package comes with various thickness of sticks. The thinnest ones only last for 5-10 minutes, but the thickest ones take 3-5 hours. The top end varies as it totally depends on the dogs' energy levels at the time. I'm not crazy about the smell of peanut butter and was happy to find these to be more woodsy with a faint peanut odor. My dogs get super excited as soon as they see the bag!
My two dogs are different breeds, but both small to medium in size (32-40 pounds). I was worried about choking and the digestion of these. This is the second month and we haven't had a single issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 20, 2025
★★★★★ 5
They are great for teething
Pattern Name: Peanut Butter, Size: 6 Inch (Pack of 25)
My puppy loves the flavor and to chew on them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
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