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Free shipping is available within the lower 48 states for orders totaling $199 or more. Simply select the free shipping option during checkout. Even though expedited shipping is not free we will still discount the free shipping option from the expedited shipping cost for you. This offer excludes shipments going to Alaska, Hawaii, Military Boxes, and items too large to ship via UPS or USPS. These items are usually large freight or bulky items such as engine blocks, etc.

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Engine Internals & Assemblies

While it’s easy to focus on the big components of your car’s engine, there are a lot of small parts that help make everything go. Rod bearings, drain plugs and crank straps may not seem like much in comparison to the heads, valves or intakes. But it’s these parts that keep everything connected, sealed and working together so you can go flying down the back stretch or nail a four-wheel drift. The gearheads at Modern Automotive Performance know how important they are, and our inventory of engine internals and assemblies has everything you need for routine maintenance or a complete performance rebuild.

No matter what you drive, you can find parts to get the most out of your motor. As a leading authority in DSM performance, we have a great selection for Mitsubishi Evo engines, including Evo X rotating assemblies and rods, head stud kits, main bearings and torque plates. For KA24DE engine–powered cars such as the Nissan 240SX, our KA24DE performance parts include Wiseco KA24DE forged pistons and Eagle connecting rods. Toyota drivers can pick up a Scion FRS Forged Internals Kit packed with quality parts. Owners of GM, Chrysler, Honda, Subaru and many other car makes will also have plenty to choose from.

Crankshafts, cam gears, oil pump chains, head gaskets and dipsticks are just some of the thousands of engine internals you’ll find at MAP. We also offer internal rebuild kits and stroker kits containing parts used on our in-house race cars. With OEM replacement parts, industry-leading brands and our own in-house components, you’ll have options for any level of performance. In addition to our fitment tool, you can also sort by bore size and compression ratio to find the parts that will fit your engine. Our experts have spent decades working on cars, and are available by phone or email to assist you with questions. Order today and get a competitive price on quality parts, with free same-day shipping on qualifying items.

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GENESIS 4G239G for EVO9 GSR/MR by Tomei

$17,910.00 $19,900.00
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GENESIS 4G229G for EVO9 GSR/MR by Tomei

$20,610.00 $22,900.00
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GENESIS 4G238G for EVO8 GSR 6SPEED by Tomei

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GENESIS 4G228G for EVO8 GSR 6SPEED by Tomei

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ADVANCED SPEC EJ257DA for DUAL AVCS by Tomei

$17,910.00 $19,900.00
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ADVANCED SPEC EJ257SAJ for SINGLE AVCS JDM by Tomei

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ADVANCED SPEC EJ257SAU for SINGLE AVCS USDM by Tomei

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ADVANCED SPEC N-Line EJ257DAN for DUAL AVCS by Tomei

$14,310.00 $15,900.00
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GENESIS EJ22CG for GDB C-G by Tomei

$18,810.00 $20,900.00
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GENESIS EJ26DG for DUAL AVCS by Tomei

$19,710.00 $21,900.00
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GENESIS EJ26SGJ for SINGLE AVCS JDM by Tomei

$19,710.00 $21,900.00
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GENESIS EJ26SGU for SINGLE AVCS USDM by Tomei

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GENESIS N-Line EJ26DGN for DUAL AVCS by Tomei

$16,110.00 $17,900.00
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GENESIS N-Line EJ26SGNJ for SINGLE AVCS JDM by Tomei

$16,110.00 $17,900.00
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GENESIS N-Line EJ26SGNU for SINGLE AVCS USDM by Tomei

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