Two required per valve, necessary for use with certain supertech valves
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Brand:
ES#:
2598482
Mfg#:
KPR-6S-7
$5.99
This product was last offered at the strikethrough price on 03-04-2026
$2.99 USD
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Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE.
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Brand:
ES#:
4813397
Mfg#:
054995LA01
ON SALE!
SAVE 40%
$899.99
This product was last offered at the strikethrough price on 05-02-2026
$539.99 USD
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Lifetime Replacement
Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!
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Brand:
ES#:
4727630
Mfg#:
ARP-HSK-S58-CA
$999.99 USD
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The perfect choice for street or sport use.
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Brand:
ES#:
4266292
Mfg#:
SCHCSSS55238/272
$1899.99 USD
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Lifetime Replacement
Bare head with guides and seats only
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Brand:
ES#:
2918693
Mfg#:
11121703637
$1631.99 USD
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Unleash Your S58's Power with Kelford Cams
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Brand:
ES#:
4753443
Mfg#:
KEL-358-S58
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Brand:
ES#:
3672190
Mfg#:
1304259
$1279.00 USD
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Brand:
ES#:
4900024
Mfg#:
SUP-HPVK-S55-32/
$1143.99 USD
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Mounted on the side of the cylinder head
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Brand:
ES#:
2135776
Mfg#:
11367843118
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$548.99
This product was last offered at the strikethrough price on 06-03-2026
$532.99 USD
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Performance valve springs for S54 engines.
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Brand:
ES#:
3036327
Mfg#:
TMS11760
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1298.99
This product was last offered at the strikethrough price on 06-03-2026
$1038.99 USD
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Valve spring replacement kit
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Brand:
ES#:
3449354
Mfg#:
SPRK-2521-2BM-T1
Limited Qty Sale
$1050.99
This product was last offered at the strikethrough price on 05-02-2026
$919.99 USD
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Don't let hydraulic lifters limit your revs
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Brand:
ES#:
3098444
Mfg#:
086311700KT
$833.52 USD
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Upgrade to ARP2000 Head Studs for Increased Head Clamping Force!
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Brand:
ES#:
4727616
Mfg#:
ARP-HSK-S58-S
$399.99 USD
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High performance valve spring set
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Brand:
ES#:
3036326
Mfg#:
TMS1504
$766.99 USD
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Brand:
ES#:
4615617
Mfg#:
PRK-H1000D-BM
$763.99 USD
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Lifetime Replacement
BMW S50B30/B32 87.00mm X 1.80mm MLS Spartan
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4451010
Mfg#:
M338081
$249.99 USD
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