Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)

Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)

Marsoni

M251S

$529.68

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

Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)SKU: SPRK MCB58 2 Conical Valve Spring Kit Seat Pressure: 84 @ 37mm Open Pressure: 157 @ 10mm Max Lift: 12. 2mm Coil Bind: 23. 30mm Outer Spring ID: 17. 60mm Seat Locator: SEAT BM48 T1 Retainer qty: 24 Retainer: RET BMB48 TE + RET BMB48 TI Kit Spring qty: 24 Kit Spring: SPR FE20BE Rate: 7. 25 Inner Spring ID: 14. 20mm Inner Spring OD: 21. 00mm Outer Spring OD: 24. 40mm Seat Locator qty: 24 Engine: BMW B58B30

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SOLID built like a tank! Really like the all-metal design. No vibration on the road and minimal if any off road, extremely stable. 360 adjustability = endless options on positioning your phone. Overall a good buy considering fit, form and functionality as compared to the less expensive composite holders that shake move and rattle (Drives me nuts). The ONLY negative…. I have a pro max iphone with a case and there’s no way one-handed operation works to insert and remove the phone into the holder. You can use one hand to adjust the angle and positioning but not otherwise. An OFI for OffRoam, incorporate a tension adjustment into the design for ease of insertion and removal of the phone (without breaking the bank). Taking all things into consideration the pros far outweigh the cons! Best unit out there for Gen 3 Tacoma owners.

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Reviewed in the United States on February 14, 2026

Verified Purchase

Thomas Dinoto

West Palm Beach, US

★★★★★ 5

Smash or Pass? ….Smash.

The smash phone mount did the trick. There was never a good or convenient place to put my phone in the 4-runner. This piece of kit fixed the issue nicely. Fits in the little storage spot tightly with a spring loaded friction mount. The hardware to manipulate the holder so you can customize your preference is made of metal so it will be durable and stable and bc you can change it around to fit your needs it has a lot of functionality. A little pricey but a good add-on for the rig.

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Reviewed in the United States on April 19, 2026

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Celica49

Lake Worth, US

★★★★★ 5

Get the stubby, not the standard

This is a very nice mount. I strongly recommend the stubby version over the standard, mostly because you can move the phone holder around to help keep it visible and out of the way. As a taller guy, the standard mount would be hitting my knee when I get in the vehicle, but the stubby mount allows me to move it further towards the passenger side, which also keeps my cup holder usable.

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Reviewed in the United States on April 5, 2026

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John petre

Massapequa, US

★★★★★ 5

Smash mouth stubby

Phone mount works great. Very nice,easy to position were you want it. Fits tight in a useless cubby .Nice mount good quality.

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Reviewed in the United States on February 8, 2026

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