Supertech BMW Internal Engine Parts for BMW A90 MKV Supra B58 3.0L

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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5mm Single Groove Valve Keeper - Set Of 24
5mm Single Groove Valve Keeper - Set Of 24
Supertech - Corporate Logo
T#:21604314
Part#: KPR-5.0-7S-24
In Stock
$ 72.99

This product was last offered at the strikethrough price on
08-13-2026

$ 67.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
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$ 72.99

This product was last offered at the strikethrough price on
08-13-2026

$ 67.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Add to Wish List
Two required per valve, for use with certain supertech valves 5.0mm single groove
Performance Conical Valve Spring - Set Of 24
Performance Conical Valve Spring - Set Of 24
B58B30 Applications Only
Supertech - Corporate Logo
T#:21604324
Part#: SPR-FE20BE-24
Ships in 9 Business Days
$ 471.99 USD
Free Shipping on orders $49 and up
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$ 471.99 USD
Free Shipping on orders $49 and up
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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm
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Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L
Supertech Forged I-Beam Connecting Rod Kit - BMW B58 3.0L
Supertech - Corporate Logo
T#:57086686
Part#: CRBMB58-I148.3-6
Ships in 9 Business Days
New Item
$ 1,864.99 USD
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$ 1,864.99 USD
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Supertech connecting rods for BMW B58B30 applications are designed for racing reliability and high-RPM use, rated for up to 1600 hp. Forged and machined from premium high-strength alloy with ARP fasteners included.
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Supertech High Performance Valve And Spring Kit - B58
Supertech High Performance Valve And Spring Kit - B58
Supertech - Corporate Logo
T#:641511
Part#: SUP-HPVK-B58
Ships on Sep 4, 2026
$ 2,339.99 USD
Free Shipping
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$ 2,339.99 USD
Free Shipping
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Upgrade your valvetrain with Supertech components Kit Contains: 12 Nitride Intake Valves 24 Intake Valve Keepers 12 Inconel Exhaust Valves 24 Exhaust Valve Keepers 24 High Performance Valve Springs 24 Titanium Retainers
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5mm Single Groove Valve Keeper - Priced Each
5mm Single Groove Valve Keeper - Priced Each
Supertech - Corporate Logo
T#:21604312
Part#: KPR-5.0-7S
Back Ordered
$ 3.99 USD
Free Shipping on orders $49 and up
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$ 3.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Two required per valve, necessary use with certain supertech valves 5.0mm single groove

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