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Ferrea High Performance Valve Spring Kit for BMW N55/S55
Ferrea High Performance Valve Spring Kit for BMW N55/S55
5150 Autosport - Corporate Logo
T#:23416526
Part#: FER-HPVSK-N55
Ships in 3 Business Days
$ 1,049.99 USD
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$ 1,049.99 USD
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Maximize your N55 or S55 engine's performance with Ferrea Valve Springs and Retainers, precision components crafted from chromoly alloy. These springs undergo special thermal treatment, ensuring exceptional durability even in extreme racing conditions. Addressing issues like valve binding, breakage, and float, Ferrea valve springs are meticulously heat-treated and stress-relieved, providing stability for high-lift and high-RPM racing engines while minimizing load loss. Precision CNC machined titanium retainers offer superior strength and stability. Ferrea's Spring Seat Locators, made from 4140 chromoly alloy, guarantee precise tolerances and a flat, parallel spring pad with a hard Nitride surface treatment for exceptional toughness and anti-wear characteristics. Please note that installation requires the expertise of an engine builder.
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Performance N55 Main Bearing Set
Performance N55 Main Bearing Set
5150 Autosport - Corporate Logo
T#:26238415
Part#: 5150-HPMBS-N55
Ships in 3 Business Days
$ 549.99 USD
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$ 549.99 USD
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5150 High Performance Coated Main Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.
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BMW N55 S55 Ferrea High Performance Valve Kit
BMW N55 S55 Ferrea High Performance Valve Kit
5150 Autosport - Corporate Logo
T#:23416508
Part#: FER-HPVK-S55-T-3
Ships in 3 Business Days
$ 929.99 USD
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$ 929.99 USD
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Increase the power output of your N55/S55 engine with the high-performance Ferrea valve kit. Renowned as the industry's most reliable extreme-duty valves, they're meticulously crafted from aerospace-grade alloys, employing an exclusive two-step slow forging process for optimal grain flow and material structure integrity. A 48-hour heat treatment and stress-relieving process enhance molecular integrity. The valves feature avionics-quality hard chrome and a specially applied hard tip. Standard size: 32mm intake / 28mm exhaust, with a triple groove valve design. Compatible with factory valve locks ("Valve Keepers"), the kit includes 12x Intake Valves and 12x Exhaust Valves for a comprehensive engine upgrade!
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APR Black Valve Stem Caps - Pack of 4
APR Black Valve Stem Caps - Pack of 4
Call In Or Chat For Best Price!
Call In, Chat, Or Email, For Best Price! Limited Time Only!
APR - Corporate Logo
T#:22987107
Part#: MS100197
In Stock
Sale - Save 10% $ 15.99

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

$ 14.36 USD
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Sale - Save 10%
$ 15.99

This product was last offered at the strikethrough price on
05-10-2026

$ 14.36 USD
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APR Black Valve Stem Caps are a stylish and functional upgrade for your vehicle's wheels. Sold as a set of four, these high-quality aluminum caps feature an engraved APR logo on each cap. Designed to add a touch of customization to your vehicle, they also serve a practical purpose.

  • Premium Quality: Made from durable aluminum for long-lasting performance.
  • Enhanced Aesthetics: Features an engraved APR logo for a sleek and stylish look.
  • Functional Design: Helps protect valve stems from dirt and moisture.
  • Easy Installation: Simple to install and compatible with most standard valve stems.

Upgrade your vehicle with APR Black Valve Stem Caps to enhance both style and functionality.

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Performance Rod Bearing Set - N55
Performance Rod Bearing Set - N55
5150 Autosport - Corporate Logo
T#:26238416
Part#: 5150-HPRBS-N55
Ships in 3 Business Days
$ 399.99 USD
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$ 399.99 USD
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5150 High Performance Coated Rod Bearing Sets are made for the demands of high performance engine builds. Treated shells and coated by Calico to reduce friction, these bearings allow your engine to generate more power and resist "spinning" under stress. These coated bearings also have thermal resistant properties that not only perform in high HP applications like forced induction or race use, but also help prevent sudden engine failure in the event of oil pressure loss. 5150 bearings have proven themselves on and off the track, lasting longer and outperforming other bearings on the market.
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BMW N55/S55 Valves By Super Tech
BMW N55/S55 Valves By Super Tech
5150 Autosport - Corporate Logo
T#:39329323
Part#: SUP-HPVK-S55-32/
Ships in 3 Business Days
$ 1,143.99 USD
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$ 1,143.99 USD
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