High performance valve spring kit including steel retainers. 75lb @ 37mm, 155lb @ 10mm
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High performance valve spring kit including steel retainers. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Easily Text crank case Pressure in your BMW.
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Make sure you have the essential tools for a German vehicle, like these triple square drivers.
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Single Groove sodium filled exhaust valves for high performance builds
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Hydraulic valve lifter
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-05-2026
Includes all head bolts for cylinder head
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-05-2026
Single Groove sodium filled exhaust valve set for high performance builds
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Single Groove black nitride intake valve set for high performance builds
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Includes all head bolts for cylinder head
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This product was last offered at the strikethrough price on
05-07-2026
Cometic MLS Head Gasket for S55 Engines (0.044" Thick)
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Two required per valve, necessary for use with certain supertech valves
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Used to hold your valve springs in place
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High performance valve springs. 84lb@ 37mm, 157lb @ 10mm
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High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-05-2026
Replacement valve cover bolt for your N55/S55 engine's valve cover
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This product was last offered at the strikethrough price on
05-14-2026