Engines and Components› Engines, Blocks and Components

5150 AutoSport

S65 Complete Engine Build Kit

$9,899.99

SKU: 5150-Engine-S65-SP

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The 5150 AutoSport BMW S65 Complete Engine Build Kit is designed to fortify your engine for high power and high boost applications. This kit contains all the necessary components to build a robust S65 engine.
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The 5150 AutoSport Complete Engine Build Kit is engineered to comprehensively fortify your BMW S65 engine for demanding high-power and high-boost applications. This kit addresses the common need for reliable internal engine components for owners looking to build their E90, E92, or E93 models, removing the guesswork from component selection. This comprehensive kit includes a Supertech High Performance Valve Spring Kit, Intake Valves, Exhaust Valves, and Valve Locks. It also features a CAT Cams Camshaft Kit, ARP2000 Head Stud Kit, Cometic Multi-Layer Head Gasket, CP-Carrillo Forged Pistons, HD Wrist Pins, CP-Carrillo or SP Components Forged Connecting Rods, and Calico Coated 5150 AutoSport High Performance Rod Bearings. These components have been selected by 5150 AutoSport based on their extensive success and recommendations for optimal power and reliability. Prior to shipping, each engine kit requires a consultation with a 5150 AutoSport engine build advisor. This consultation will cover essential details such as piston configuration and desired compression ratio to ensure the kit meets your specific build requirements.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

Brand5150 AutoSport
Part Number5150-Engine-S65-SP
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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