Boundary 91.5-00 Mazda Miata BP I4 (Non-VVT) MartenWear Treated Billet Oil Pump Gear

Boundary 91.5-00 Mazda Miata BP I4 (Non-VVT) MartenWear Treated Billet Oil Pump Gear

Marsoni

M251S

$169.50

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

Boundary 91.5-00 Mazda Miata BP I4 (Non-VVT) MartenWear Treated Billet Oil Pump GearSKU: BP OPG NON VVT M Mazda Miata BP I4 (Non VVT) MartenWear Treated Billet Oil Pump Gear Manufactured in our Dallas, Texas production facility. We start by quenching our chromoly billets from extreme heat and then temper it to a tough indestructible core. After machining, we apply our ColdFlow surface hardening process and complete it to a Mirror Finish. What does all this give you? It gives you a pump with stability over 10000 RPM, proven over

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We offer a 30-day return/exchange service after receiving.
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Unfortunately I ended up being very disappointed with this purchase, after about two weeks of use, it just stopped performing. Not sure what happened but it just stopped releasing the ball and I don't know why, it had no flexibility left to it. I'm not doing a very good job of trying to explain why it quit working but suffice it to say, it became useless after a couple of weeks. Broke my neighbors dog's heart, lol.

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Reviewed in the United States on November 20, 2025