Boundary Nissan RB26 Billet Oil Pump Gear (Fits OEM Housing 81mm)

Boundary Nissan RB26 Billet Oil Pump Gear (Fits OEM Housing 81mm)

Marsoni

M251S

$149.50

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

Boundary Nissan RB26 Billet Oil Pump Gear (Fits OEM Housing 81mm)SKU: RB26 81 OPG RB26 OIL PUMP GEAR The RB26 OPG throws away the weak asymmetrical rotor design and replaces it with Boundarys own race inspired symmetrical gear pattern. It is designed to be tighter sealing and created to be a higher volume so it will have a slight uptick in idle pressure and mid range pressure up to the relief valve limit. It also has the designed crankshaft interface which reduces wear on the crank surfaces and eliminates the need

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Reviewed in the United States on May 28, 2026

Verified Purchase

Reepeat

Fort Morgan, US

★★★★★ 5

Most durable fetch balls I know of.

Size: 2-pack, Style: Duo

These balls are the biggest balls of them all. Well, not the biggest, but the best. Every other ball she would chew up in short order and I'd be throwing her a floppy piece of rubber. She just wants to fetch, but if it's not bouncing, she can't catch it on the bounce. Got these balls in July and no damage to them. I just ordered another pair, but only because the other two somehow got stuck up in trees. We have some very old and very large oak trees so not so easy to retrieve. Hope they somehow drop someday. But in the meantime, Lassie will be happy with her new ones. Very highly recommended!

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Reviewed in the United States on October 28, 2025