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BMW M3 Performance Engine Internals

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Complete Cylinder Head Basic Replacement Kit

ES#2918768 - 11121703637-1KT - Complete Cylinder Head Basic Replacement Kit - Everything you will need to do a head service on your BMW - Assembled By ECS - BMW

Everything you will need to do a head service on your BMW 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2918768
Mfg#:
11121703637-1KT
Back Ordered
Auto Notify
ON SALE!
$2880.38

This product was last offered at the strikethrough price on
02-27-2026

$2774.64 USD
This product is lifetime replacement eligible Partial Replacement

Performance Cam Follower/Rocker Arm - Set Of 12

ES#4813397 - 054995LA01 - Performance Cam Follower/Rocker Arm - Set Of 12 - Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. - Turner Motorsport - BMW

Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4813397
Mfg#:
054995LA01
In Stock
ON SALE! SAVE 25%
$917.99

This product was last offered at the strikethrough price on
06-13-2026

$688.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution - Hub Only - N55 S55

ES#4389737 - VTT-N55-CRANKHUB - Spline Lock Crank Hub Solution - Hub Only - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. - Vargas Turbo Technologies - BMW

A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4389737
Mfg#:
VTT-N55-CRANKHUB
Ships on Aug 4, 2026
$818.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CP-Carrillo Connecting Rod Set - S58 Pro-Xtreme

ES#4727617 - CAR-CRS-S58-XT - CP-Carrillo Connecting Rod Set - S58 Pro-Xtreme - Non-Tapered (Only Compatible with Aftermarket Pistons) - 5150 Autosport - BMW

Non-Tapered (Only Compatible with Aftermarket Pistons)

Brand:
5150 Autosport - Corporate Logo
ES#:
4727617
Mfg#:
CAR-CRS-S58-XT
Ships in 4 Business Days
$2299.99 USD
Free Shipping
on orders $49 and up

CP-Carrillo Connecting Rod Set - S54

ES#4758972 - CAR-S54-SCR - CP-Carrillo Connecting Rod Set - S54 - Upgrade to CP-Carrillo's Forged Connecting Rods! - 5150 Autosport - BMW

Upgrade to CP-Carrillo's Forged Connecting Rods! Upgrade Your Connecting Rods in Your High Horsepower S54!

Brand:
5150 Autosport - Corporate Logo
ES#:
4758972
Mfg#:
CAR-S54-SCR
Ships in 3 Business Days
Starting at $1849.99 USD
Customize
Free Shipping
on orders $49 and up

CP-Carrillo Connecting Rod Set M5X Pro-Xtreme

ES#4759044 - CAR-CRS-S52-XT - CP-Carrillo Connecting Rod Set M5X Pro-Xtreme - Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods - 5150 Autosport - BMW

Upgrade Your M5x Engine With CP-Carrillo Rods Today! 135mm Rods

Brand:
5150 Autosport - Corporate Logo
ES#:
4759044
Mfg#:
CAR-CRS-S52-XT
Ships in 4 Business Days
$2099.99 USD
Free Shipping
on orders $49 and up

ARP Head Stud Kit - S58 - CA625+

ES#4727630 - ARP-HSK-S58-CA - ARP Head Stud Kit - S58 - CA625+ - Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit! - 5150 Autosport - BMW

Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727630
Mfg#:
ARP-HSK-S58-CA
Ships in 4 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Priced Each

ES#2598482 - KPR-6S-7 - 6mm Single Groove Valve Keeper - Priced Each - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves

Brand:
Supertech - Corporate Logo
ES#:
2598482
Mfg#:
KPR-6S-7
In Stock
$5.99

This product was last offered at the strikethrough price on
03-04-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54

ES#4845662 - M5X-WPC-MB - WPC-Treated Race Series Main Bearing Set - M20/M50/M52/M54/S54 - The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. - Turner Motorsport - BMW

The strongest and smoothest bearings for your BMW, featuring heavy-duty ACL "Duraglide" bearing shells treated by WPC for reduced friction and enhanced durability. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
4845662
Mfg#:
M5X-WPC-MB
In Stock
ON SALE! SAVE 10%
$520.99

This product was last offered at the strikethrough price on
06-13-2026

$468.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - Std. Size

ES#4686197 - MB5803CA - Engine Main Bearing Kit - Std. Size - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5 Std. Size

Brand:
King - Corporate Logo
ES#:
4686197
Mfg#:
MB5803CA
Ships in 7 Business Days
$312.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Internals

Building your dream engine? We have all the bearings, pistons, connecting rods, timing components, and more to help make that dream a reality.

Let us help you find the parts that fit your BMW

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