...or at least as "Bulletproof" as your F8X S55 will ever be! Includes a crank bolt capture kit, crank seal plate, oil filter housing gaskets, and all of the components required to perform this upgrade service.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4365387
Mfg#:
ECSS55BPKT
ON SALE!
$786.99
This product was last offered at the strikethrough price on 01-03-2026
$756.84 USD
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Partial Replacement
Replace your Stock Main Bearings with 5150's Upgraded Alternative!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4736759
Mfg#:
5150-HPMBS-S55
$549.99 USD
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on orders $49 and up
Lifetime Replacement
Recommended for heavily tuned engines that put increased levels of strain on the crank hub and sprocket
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4659592
Mfg#:
020210001
$499.00 USD
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on orders $49 and up
Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832869
Mfg#:
11217849238
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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on orders $49 and up
Lifetime Replacement
Violet, 50.00mm
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
256967
Mfg#:
11247576715
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$45.99
This product was last offered at the strikethrough price on 06-09-2026
$42.99 USD
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on orders $49 and up
Lifetime Replacement
Protect your engine from catastrophic damage and upgrade your accessory belt with this Enthusiast Bundle!
Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4876645
Mfg#:
049453LA01-02KT5
ON SALE!
SAVE 42%
$170.99
This product was last offered at the strikethrough price on 05-05-2026
$99.00 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2775010
Mfg#:
11237575488
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$9.99
This product was last offered at the strikethrough price on 06-09-2026
$8.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832866
Mfg#:
11217849234
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Lifetime Replacement
Brown designated crankshaft bearing shell. 56.00mm(0)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832867
Mfg#:
11217849235
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Free Shipping
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832868
Mfg#:
11217849236
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Lifetime Replacement
Replace those Worn Out Main Bearings!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms +0.50mm
Brand:
ES#:
4685266
Mfg#:
MB7776SI0.5
Limited Qty Sale
$118.99
This product was last offered at the strikethrough price on 05-02-2026
$94.99 USD
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Brown designated crankshaft bearing shell. 56.00mm(0)
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832870
Mfg#:
11217849239
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Lifetime Replacement
For Ease of Removal of an Existing Crank Hub Spline Lock!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4780112
Mfg#:
CRANK-PULLER-S55
$74.99 USD
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Lifetime Replacement
Brown 64.00MM
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832879
Mfg#:
11217849251
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$54.99
This product was last offered at the strikethrough price on 06-09-2026
$50.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832875
Mfg#:
11217849246
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2832872
Mfg#:
11217849242
5% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$40.99
This product was last offered at the strikethrough price on 06-09-2026
$38.99 USD
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Lifetime Replacement