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BMW Performance Engine Internals

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S55/N55 4 PIN One-Piece CRANK HUB

ES#4423399 - CH-4PIN - S55/N55 4 PIN One-Piece CRANK HUB - The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. - Insane Performance - BMW

The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel.

Brand:
Insane Performance - Corporate Logo
ES#:
4423399
Mfg#:
CH-4PIN
In Stock
$1099.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55

ES#3620075 - VTT-CRANKHUB-1 - Spline Lock Crank Hub Solution w/ Crank Bolt Capture - N55 S55 - A truly remarkable solution from Vargas that will eliminate the risk of a spun crank hub. Includes crank bolt capture. - Vargas Turbo Technologies - BMW

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

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
3620075
Mfg#:
VTT-CRANKHUB-1
Ships in 3 Business Days
$889.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55

ES#4845639 - N5X-WPC-RB - WPC-Treated Race Series Rod Bearing Set - N52/N54/N55/S55 - 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#:
4845639
Mfg#:
N5X-WPC-RB
In Stock
ON SALE! SAVE 20%
$519.99

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

$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N54 2 PIN One-Piece CRANK HUB

ES#4423403 - CH-N54 - N54 2 PIN One-Piece CRANK HUB - This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge. - Insane Performance - BMW

This one-piece hub kit includes all the necessary components to successfully replace the stock OEM crank hub with the single-piece crank hub. The kit now includes Hardened crankshaft damper bolts at no additional charge.

Brand:
Insane Performance - Corporate Logo
ES#:
4423403
Mfg#:
CH-N54
In Stock
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Complete Cylinder Head Basic Replacement Kit (Dry)

10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4766708
Mfg#:
11121703637-DKT
Back Ordered
$2840.76

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

$2724.08 USD
This product is lifetime replacement eligible Partial Replacement

S55/N55 2 PIN One-Piece CRANK HUB

ES#4423401 - CH-2 PIN - S55/N55 2 PIN One-Piece CRANK HUB - The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel. - Insane Performance - BMW

The one-piece Insane Crank Hub kits are designed and manufactured in Lithuania and made from a solid block of thermally absorbed, heat-treated steel.

Brand:
Insane Performance - Corporate Logo
ES#:
4423401
Mfg#:
CH-2 PIN
In Stock
$999.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WPC-Treated Race Series Rod Bearing Set - S54

ES#4845593 - S54-WPC-RB - WPC-Treated Race Series Rod Bearing Set - 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#:
4845593
Mfg#:
S54-WPC-RB
In Stock
ON SALE! SAVE 20%
$451.99

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

$361.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

N63/S63 High Performance Rod Bearing Set - Standard

ES#4845491 - 8B1578H-STD - N63/S63 High Performance Rod Bearing Set - Standard - Includes upper and lower bearing shells for a complete rod bearing replacement. - ACL - BMW

Includes upper and lower bearing shells for a complete rod bearing replacement. For Vehicles with a Production Date from 03/2011

Brand:
ACL - Corporate Logo
ES#:
4845491
Mfg#:
8B1578H-STD
In Stock
$234.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valvetronic Camshaft Adjuster replacement kit

ES#4056599 - 11377548388KT - Valvetronic Camshaft Adjuster replacement kit - Includes new Valvetronic motor, gasket, and hardware - Assembled By ECS - BMW

Includes new Valvetronic motor, gasket, and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles equipped with a plastic valve cover.

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056599
Mfg#:
11377548388KT
In Stock
ON SALE! SAVE 19%
$220.99

This product was last offered at the strikethrough price on
05-02-2026

$179.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cam Follower/Rocker Arm - Set Of 24

ES#5374651 - 054995la01KT - Performance Cam Follower/Rocker Arm - Set Of 24 - 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#:
5374651
Mfg#:
054995LA01KT
In Stock
ON SALE! SAVE 25%
$1733.99

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

$1300.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

M20 Cylinder Head - complete

ES#2918686 - 11121707032-2 - M20 Cylinder Head - complete - Complete cylinder head with guides, seats, valves, & springs - AMC - BMW
ECS Tuning recommends this product.

Complete cylinder head with guides, seats, valves, & springs

Brand:
AMC - Corporate Logo
ES#:
2918686
Mfg#:
11121707032-2
Ships in 9 Business Days
Auto Notify
$1322.99 USD
Free Shipping

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.

Other BMW Performance Engine Internals

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