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BMW M3 Performance Engine Internals

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5mm Single Groove Valve Keeper - Priced Each

ES#4716123 - KPR-5.0-7S - 5mm 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#:
4716123
Mfg#:
KPR-5.0-7S
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-liter Pistons

ES#3419898 - 9400XX - Replacement Piston Ring Set For Turner Motorsport/Wiseco E30 M3 2.5-liter Pistons - Wiseco - BMW

Brand:
Wiseco - Corporate Logo
ES#:
3419898
Mfg#:
9400XX
In Stock
Limited Qty Sale
$31.99

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

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Main & Rod Bearing Set

ES#5527221 - bmw101348KT - Main & Rod Bearing Set - If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. - Assembled By ECS - BMW

If you're rebuilding the bottom end of your BMW inline-six, the main and rod bearings should be replaced together. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5527221
Mfg#:
BMW101348KT
In Stock
$450.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cam Follower/Rocker Arm - Set Of 24 With Installation Kit

ES#5374652 - 054995LA0KT - Performance Cam Follower/Rocker Arm - Set Of 24 With Installation Kit - Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. Includes shims, shim tool, and feeler gauge for a comprehensive service. - Turner Motorsport - BMW

Forged Chromoly with Diamond Like Carbon Coating built for superior wear resistance at the same weight as OE. Includes shims, shim tool, and feeler gauge for a comprehensive service. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Turner Motorsport - Corporate Logo
ES#:
5374652
Mfg#:
054995LA0KT
In Stock
$1835.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manley Connecting Rod Set - S58 - H-Beam

ES#4727642 - MAN-CRS-S58 - Manley Connecting Rod Set - S58 - H-Beam - Ditch those Factory Connecting Rods for a More Robust Alternative! - 5150 Autosport - BMW

Ditch those Factory Connecting Rods for a More Robust Alternative!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727642
Mfg#:
MAN-CRS-S58
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Xtreme Duty Cylinder Sleeve Set - S58

ES#4727636 - 5150-CS-S58 - Xtreme Duty Cylinder Sleeve Set - S58 - Beef up Your Cylinder Walls with 5150's Cylinder Sleeve Kit - 5150 Autosport - BMW

Beef up Your Cylinder Walls with 5150's Cylinder Sleeve Kit

Brand:
5150 Autosport - Corporate Logo
ES#:
4727636
Mfg#:
5150-CS-S58
Ships in 3 Business Days
$1200.00 USD
Free Shipping
on orders $49 and up

Athena Cut Ring Head Gasket S14

ES#4783158 - ATH-HG-CR-S14-95 - Athena Cut Ring Head Gasket S14 - Increase Cylinder Head Sealing Properties! - 5150 Autosport - BMW

Increase Cylinder Head Sealing Properties!

Brand:
5150 Autosport - Corporate Logo
ES#:
4783158
Mfg#:
ATH-HG-CR-S14-95
Ships in 3 Business Days
$284.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Performance Main Bearing Set Std. - S58

ES#4727620 - 5150-HPMBS-S58 - High Performance Main Bearing Set Std. - S58 - Upgrade To 5150's High Performance Main Bearings! - 5150 Autosport - BMW

Upgrade To 5150's High Performance Main Bearings!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727620
Mfg#:
5150-HPMBS-S58
Ships in 3 Business Days
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ferrea High Performance Oversized Valve Kit - S58

ES#4727634 - FER-HPVK-S58+ - Ferrea High Performance Oversized Valve Kit - S58 - Add these Titanium Oversized Valves for Increased Performance! - 5150 Autosport - BMW

Add these Titanium Oversized Valves for Increased Performance!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727634
Mfg#:
FER-HPVK-S58+
Ships in 3 Business Days
$999.99 USD
Free Shipping
on orders $49 and up

ARP Head Stud Kit, BMW S14

ES#4783156 - ARP-HSK-S14 - ARP Head Stud Kit, BMW S14 - Increase Cylinder Head Clamping Force Dramatically With ARP's Head Stud Kit for Your S14-Powered BMW! - ARP - BMW

Increase Cylinder Head Clamping Force Dramatically With ARP's Head Stud Kit for Your S14-Powered BMW!

Brand:
ARP - Corporate Logo
ES#:
4783156
Mfg#:
ARP-HSK-S14
Ships in 3 Business Days
$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Main Bearing Kit - 0.50mm Oversized

ES#4759947 - MB5803CA0.5 - Engine Main Bearing Kit - 0.50mm Oversized - Replace those Worn Out Main Bearings! Set of 5 - King - BMW

Replace those Worn Out Main Bearings! Set of 5

Brand:
King - Corporate Logo
ES#:
4759947
Mfg#:
MB5803CA0.5
Ships in 2 Business Days
$180.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

SuperTech High Performance Valve Kit - S58

Upgrade to Supertech's High Performance Standard Sized Valve Kit!

Brand:
5150 Autosport - Corporate Logo
ES#:
4727631
Mfg#:
SUP-HPVK-S58
Ships in 3 Business Days
$1099.99 USD
Free Shipping
on orders $49 and up

More About Performance Engine Internals

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