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BMW E46 328i M52 2.8L

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BMW E46 328i M52 2.8L Performance Cylinder Heads

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Cylinder Head Stud Kit

ES#2575219 - 201-4302 - Cylinder Head Stud Kit - High strength stud conversion for factory replacement or a full race motor - ARP - BMW

High strength stud conversion for factory replacement or a full race motor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
2575219
Mfg#:
201-4302
In Stock
19% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$295.92

This product was last offered at the strikethrough price on
06-03-2026

$240.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Valve Stem Seal Kit

ES#4346287 - vs-vbm6-6cylKT - Upgraded Valve Stem Seal Kit - Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! - Supertech - BMW

Includes all the valve stems needed for repairing, replacing, or upgrading your BMW's valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4346287
Mfg#:
VS-VBM6-6CYLKT
In Stock
$27.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Athena Cut Ring Head Gasket - 84.5mm (84mm Bore)

ES#4758998 - ATH-HG-CR-M50-84 - Athena Cut Ring Head Gasket - 84.5mm (84mm Bore) - Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market! - 5150 Autosport - BMW

Upgrade From The OE MLS Gasket to The Best Performance Head Gasket on the Market! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
5150 Autosport - Corporate Logo
ES#:
4758998
Mfg#:
ATH-HG-CR-M50-84
Ships in 4 Business Days
$324.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

6mm Intake Valve Stem Seal - Polyacrylic - Priced Each

ES#3129395 - VS-VBM6I - 6mm Intake Valve Stem Seal - Polyacrylic - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - Audi BMW Volkswagen

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129395
Mfg#:
VS-VBM6I
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Exhaust Valve Stem Seal - Viton - Priced Each

ES#3129394 - VS-VBM6E - 6mm Exhaust Valve Stem Seal - Viton - Priced Each - The perfect seal for repairing, replacing, or upgrading your valves and stem seals! - Supertech - BMW

The perfect seal for repairing, replacing, or upgrading your valves and stem seals! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129394
Mfg#:
VS-VBM6E
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6mm Single Groove Valve Keeper - Set Of 24

ES#4716124 - KPR-6S-7-24 - 6mm Single Groove Valve Keeper - Set Of 24 - Two required per valve, necessary for use with certain supertech valves - Supertech - BMW

Two required per valve, necessary for use with certain supertech valves affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
4716124
Mfg#:
KPR-6S-7-24
Ships in 6 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stud Bolt

ES#18454 - 11127506203 - Stud Bolt - M7X39 - Genuine BMW - BMW

M7X39 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine BMW - Corporate Logo
ES#:
18454
Mfg#:
11127506203
In Stock
Limited Qty Sale
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Valve keeper for Audi/BMW/Opel 6mm stem Triple groove

ES#3129162 - KPR-VW6-T - Valve keeper for Audi/BMW/Opel 6mm stem Triple groove - Supertech - BMW

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Supertech - Corporate Logo
ES#:
3129162
Mfg#:
KPR-VW6-T
Ships in 9 Business Days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Cylinder Heads

Engines are just air pumps. How efficiently they can pump and how much they can pump determines how powerful they are. Upgrade cylinder head components to improve your engine's performance, like valves, valve springs, camshafts, rocker arms, and entire cylinder heads to unlock more power from your engine.

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