High performance valve springs. 75lb @ 37mm, 155lb @ 10mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4716020
Mfg#:
SPR-FE20BE
Limited Qty Sale
$19.99
This product was last offered at the strikethrough price on 05-02-2026
$18.99 USD
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Lifetime Replacement
Stop burning oil at start-up
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2702682
Mfg#:
11340035853
$58.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3131366
Mfg#:
012016ECS03A
ON SALE!
SAVE 16%
$37.99
This product was last offered at the strikethrough price on 05-02-2026
$32.08 USD
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Lifetime Replacement
Make sure you are getting the proper hardware for the job
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Brand:
ES#:
2568146
Mfg#:
11127574303
$159.13
This product was last offered at the strikethrough price on 02-20-2026
$143.28 USD
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Lifetime Replacement
Designed for BMW cylinder head bolts
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Perfect for removal and installation of head bolts
Brand:
ES#:
3998968
Mfg#:
CTA9244
$35.72 USD
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Addresses valve cover leaks
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Brand:
ES#:
2568125
Mfg#:
11127565286
$69.88 USD
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Lifetime Replacement
M6X12-8.8
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Brand:
ES#:
14734
Mfg#:
07119905524
$1.09 USD
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Lifetime Replacement
20x1.5
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Brand:
ES#:
254086
Mfg#:
11367561852
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$16.99
This product was last offered at the strikethrough price on 06-04-2026
$15.99 USD
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Lifetime Replacement
.30" thicker than stock
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 1.50mm (+0.30) thickness - for use with a machined head
Brand:
ES#:
2542523
Mfg#:
11127599213
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$315.99
This product was last offered at the strikethrough price on 06-04-2026
$269.99 USD
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Lifetime Replacement
Just a head gasket, not a set
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 1.215mm thickness - for use with an unmachined head
Brand:
ES#:
2568178
Mfg#:
11127557265
$189.99
This product was last offered at the strikethrough price on 04-08-2026
$129.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3462994
Mfg#:
012016ECS0KTKT
ON SALE!
$65.99
This product was last offered at the strikethrough price on 05-02-2026
$64.00 USD
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Lifetime Replacement
Does not include the head gasket
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Brand:
ES#:
18643
Mfg#:
11127572758
15% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$270.99
This product was last offered at the strikethrough price on 06-04-2026
$230.99 USD
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Lifetime Replacement
Used to hold the spring for the engine valves
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Brand:
ES#:
22973
Mfg#:
11347539917
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$13.99
This product was last offered at the strikethrough price on 06-04-2026
$12.99 USD
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Lifetime Replacement
A comprehensive, premium-grade solution designed to replace degraded seals, eliminate stubborn leaks, and restore optimum engine efficiency.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4390970
Mfg#:
11127587804G
$218.99 USD
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Does not include the head gasket
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Brand:
ES#:
2702323
Mfg#:
11127572758
$216.99 USD
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Lifetime Replacement
Seal fitted to the end of the valve
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Brand:
ES#:
2702295
Mfg#:
11340034068
$54.99
This product was last offered at the strikethrough price on 05-07-2026
$53.99 USD
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Lifetime Replacement
More About Cylinder Head Parts
Whether you're replacing or upgrading components of your cylinder head, we have everything you need to get back on the road. Finish your engine build or replace broken cylinder head bits with our catalog of rocker arms, camshafts, cylinder head gaskets, valves, valve springs, entire cylinder head assemblies, cylinder head hardware, and more.