SKU: 56314294967

Boost Logic Billet Crank Rotating Assembly

Sale price$4949.99 Regular price$5499.99
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Boost Logic Billet Crank Rotating AssemblyBoost Logic has introduced the VR38 stroker kit for the Nissan R35 GT R. The Boost Logic Stroker kit is the ultimate in high horsepower engine builds. This kit utilizes a billet 4340 steel crankshaft in 94mm stroke length and this raises displacement to 4. 1 Liters. Manley 300m Custom connecting rods and Diamond Pistons in custom compression ratios are also included. To ensure reliable function, only the highest quality parts are used. With this kit,

Boost Logic has introduced the VR38 stroker kit for the Nissan R35 GT-R.

The Boost Logic Stroker kit is the ultimate in high horsepower engine builds.

This kit utilizes a billet 4340 steel crankshaft in 94mm stroke length and this raises displacement to 4.1 Liters. Manley 300m Custom connecting rods and Diamond Pistons in custom compression ratios are also included.

To ensure reliable function, only the highest quality parts are used. With this kit, you can expect to see better engine response. With the 4.1 Kit, Block milling is required for additional clearance. We also have a C350 Wrist Pin Upgrade offered at an additional $999 per set of 6. This wrist pin is a unique tool steel material based out of Austria and is used in all Promod level platforms delivering over 3000+HP.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56314294967

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4.7 ★★★★★
Based on 20 reviews
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Verified Purchase
elvis
Waukegan, US
★★★★★ 5
Perfect fit for my Nissan 3.5hp outboard
runs better than ever
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 14, 2025
S
Verified Purchase
Shawn L.
Cuba, US
★★★★★ 5
Honda product and quality.
Do NOT understand why my lawnmower with a Honda engine did not come with a Honda carburetor. Replaced with this Honda carburetor and starts easily. The other carb only lasted 1.5 years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 6, 2021
J
Verified Purchase
Jonathan Porter
Los Angeles, US
★★★★★ 2
Worked but not well made. If you need 24 hour turnaround only option.
The housing is 95% identical. Float valve seat is smaller than mercury/quicksilver. The carb I received was stuck wide open. Had to completely pull it apart to fix the throttle. Then the choke didn’t work correctly. So I ended up putting this housing on with all my old mercury carb parts inside. All I needed was a new float valve but they are back ordered indefinitely. So this worked because the housing is correct but that’s about it. Internals were plastic. Not metal. Jury is still out on the jet size. I’ll update if it floods the motor at speed. Seems to be running very rich. If you’re looking for easy, I’d buy the quicksilver that’s tuned for the motor already. The carb I received idled too fast and even if the throttle wasn’t stuck open it wouldn’t have run well with a racing choke (screams air leak because of poor quality)
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Reviewed in the United States on April 3, 2024
J
Verified Purchase
Joe Mugavero
Massapequa, US
★★★★★ 1
Throttle pin defective
This carb fits my tohatsu 3.5 hp but the throttle pin is defective. The only way to regulate it running wide open is to choke it out.
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Reviewed in the United States on December 4, 2024
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Verified Purchase
Asher Dahan
Carnegie, US
★★★★★ 5
Perfect fit for a 3.5 nissan
At a great price
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Reviewed in the United States on May 9, 2022

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