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

Marsoni M251S
Sale price$529.68
Pay 4 payments of $132.42 a month.Shop Pay
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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4.2 ★★★★★
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Verified Purchase
Susie Lou
Lowell, US
★★★★★ 5
Great product
Size: 5 Quart Jug
Exactly what I needed. Great price! Fits well for my vehicle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
J
Verified Purchase
Jawad C
Alexandria, US
★★★★★ 5
works well in Subaru
Size: 5 Quart Jug
nice replacement of the OEM fluid, this is my 2nd time purchase
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
K
Verified Purchase
Kory
Boise, US
★★★★★ 5
Good stuff, fair price.
Configuration: 4-Stroke, Size: 1 GA
Great full synthetic marine oil at a very fair price.
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Reviewed in the United States on December 12, 2025
D
Verified Purchase
Doug
West Palm Beach, US
★★★★★ 5
Top notch.
Configuration: 2-Stroke, Size: 1 GA, Case of 3
It’s Valvoline so it’s quality. Very little smoke and a smooth running outboard.
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Reviewed in the United States on May 4, 2026
T
Verified Purchase
tb23498
Pawtucket, US
★★★★★ 5
works perfect
Configuration: 4-Stroke, Size: 1 GA
i bought to maintain mowers
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Reviewed in the United States on December 28, 2025

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