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WSM Performance Parts WSM Performance Mercury 2.0L/6-Cyl Head Rebuild Kit #100-50-22 $908.99 $1,100.73
WSM Performance Parts 100-50-22 Cylinder Head Rebuild KitsWSM Performance Mercury 2.0L/6-Cyl Head Rebuild Kit #100-50-22Normalized SKU: 1005022UPC Code: 21053405220
Sold out -17% sale
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WSM Performance Parts WSM Performance Mercury 3.0L/6-Cylinder Head Rebuild #100-45-11 $1,129.33 $1,355.19
WSM Performance Parts 100-45-11 Cylinder Head Rebuild KitsWSM Performance Mercury 3.0L/6-Cylinder Head Rebuild #100-45-11Normalized SKU: 1004511UPC Code: 21053404820
Sold out -14% sale
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WSM Performance Parts WSM Performance Yamaha HPDI Power Head Rebuild Kit Std #100-290-10P $1,322.74 $1,534.38
WSM Performance Parts 100-290-10P Cylinder Head Rebuild KitsWSM Performance Yamaha HPDI Power Head Rebuild Kit Std #100-290-10PNormalized SKU: 10029010PUPC Code: 21053404360
Sold out -14% sale
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WSM Performance Parts WSM Performance Yamaha HPDI Power Head Rebuild Kit .020 #100-290-12 $1,291.85 $1,498.55
WSM Performance Parts 100-290-12 Cylinder Head Rebuild KitsWSM Performance Yamaha HPDI Power Head Rebuild Kit .020 #100-290-12Normalized SKU: 10029012UPC Code: 21053404390
Sold out -17% sale
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WSM Performance Parts WSM Performance Yamaha V6 90-Degree EFI Head Rebuild Kit . #100-275-44 $1,062.18 $1,274.61
WSM Performance Parts 100-275-44 Cylinder Head Rebuild KitsWSM Performance Yamaha V6 90-Degree EFI Head Rebuild Kit . #100-275-44Normalized SKU: 10027544UPC Code: 21053404190
Sold out -17% sale
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WSM Performance Parts WSM Performance Yamaha V6 76-Degree EFI Head Rebuild Kit #100-285-14 $996.86 $1,196.24
WSM Performance Parts 100-285-14 Cylinder Head Rebuild KitsWSM Performance Yamaha V6 76-Degree EFI Head Rebuild Kit #100-285-14Normalized SKU: 10028514UPC Code: 21053404330
Sold out -17% sale
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WSM Performance Parts WSM Performance Yamaha V6 90-Degree EFI Head Rebuild Kit #100-275-41 $1,062.18 $1,274.61
WSM Performance Parts 100-275-41 Cylinder Head Rebuild KitsWSM Performance Yamaha V6 90-Degree EFI Head Rebuild Kit #100-275-41Normalized SKU: 10027541UPC Code: 21053404130
Sold out -18% sale
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WSM Performance Parts WSM Performance Yamaha V4 Head Rebuild Kit .010 #100-270-11 $705.31 $854.08
WSM Performance Parts 100-270-11 Cylinder Head Rebuild KitsWSM Performance Yamaha V4 Head Rebuild Kit .010 #100-270-11Normalized SKU: 10027011UPC Code: 21053403530
Sold out -22% sale
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WSM Performance Parts WSM Performance Yamaha Head Rebuild Kit .040 #100-252-24 $271.88 $345.30
WSM Performance Parts 100-252-24 Cylinder Head Rebuild KitsWSM Performance Yamaha Head Rebuild Kit .040 #100-252-24Normalized SKU: 10025224UPC Code: 21053403360
Sold out -17% sale
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WSM Performance Parts WSM Performance Mercury Sprotjet Head Rebuild Kit .040 #100-20-54 $1,024.73 $1,229.67
WSM Performance Parts 100-20-54 Cylinder Head Rebuild KitsWSM Performance Mercury Sprotjet Head Rebuild Kit .040 #100-20-54Normalized SKU: 1002054UPC Code: 21053402530
Sold out -17% sale
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WSM Performance Parts WSM Performance Mercury 2.5L Head Rebuild Kit #100-20-44 $945.98 $1,135.17
WSM Performance Parts 100-20-44 Cylinder Head Rebuild KitsWSM Performance Mercury 2.5L Head Rebuild Kit #100-20-44Normalized SKU: 1002044UPC Code: 21053402470
Sold out -17% sale
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WSM Performance Parts WSM Performance Mercury Sportjet Head Rebuild Kit .015 #100-20-515 $1,024.73 $1,229.67
WSM Performance Parts 100-20-515 Cylinder Head Rebuild KitsWSM Performance Mercury Sportjet Head Rebuild Kit .015 #100-20-515Normalized SKU: 10020515UPC Code: 21053402500
Sold out -17% sale
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WSM Performance Parts WSM Performance J/E 3.3L Head Rebuild Kit #100-134-12 $1,091.45 $1,309.74
WSM Performance Parts 100-134-12 Cylinder Head Rebuild KitsWSM Performance J/E 3.3L Head Rebuild Kit #100-134-12Normalized SKU: 10013412UPC Code: 21053401870
Sold out -17% sale
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WSM Performance Parts WSM Performance J/E Power Head Rebuild Kit #100-130-24 $1,050.54 $1,260.65
WSM Performance Parts 100-130-24 Cylinder Head Rebuild KitsWSM Performance J/E Power Head Rebuild Kit #100-130-24Normalized SKU: 10013024UPC Code: 21053401670
Sold out -17% sale
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WSM Performance Parts WSM Performance J/E Power Head Rebuild Kit #100-130-21 $1,050.54 $1,260.65
WSM Performance Parts 100-130-21 Cylinder Head Rebuild KitsWSM Performance J/E Power Head Rebuild Kit #100-130-21Normalized SKU: 10013021UPC Code: 21053401640
Sold out -20% sale
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WSM Performance Parts WSM Performance J/E Power Head Rebuild Kit #100-120-14 $462.00 $576.63
WSM Performance Parts 100-120-14 Cylinder Head Rebuild KitsWSM Performance J/E Power Head Rebuild Kit #100-120-14Normalized SKU: 10012014UPC Code: 21053401440
Sold out -18% sale
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WSM Performance Parts WSM Performance Mercury V6 XR4 Head Rebuild Kit #100-10-24 $777.57 $941.59
WSM Performance Parts 100-10-24 Cylinder Head Rebuild KitsWSM Performance Mercury V6 XR4 Head Rebuild Kit #100-10-24Normalized SKU: 1001024UPC Code: 21053401040
Sold out -18% sale
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WSM Performance Parts WSM Performance Mercury V6 XR4 Head Rebuild Kit #100-10-21 $777.57 $941.59
WSM Performance Parts 100-10-21 Cylinder Head Rebuild KitsWSM Performance Mercury V6 XR4 Head Rebuild Kit #100-10-21Normalized SKU: 1001021UPC Code: 21053401010
Sold out -20% sale
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WSM Performance Parts WSM Performance Mercury Head Rebuild Kit .040 #100-05-14 $421.48 $526.05
WSM Performance Parts 100-05-14 Cylinder Head Rebuild KitsWSM Performance Mercury Head Rebuild Kit .040 #100-05-14Normalized SKU: 1000514UPC Code: 21053400840

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
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  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

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