Open Box Item:
This product has been unboxed and is in excellent working condition, though the visual appearance may vary slightly. It may show minor signs of handling but remains fully functional and suitable for use. The item has been thoroughly inspected to ensure it meets functionality standards and includes all essential components unless otherwise noted in the description. Please note that all sales are final, with no returns or exchanges accepted.
OPEN BOX - GSC Power-Division Billet S2 Camshafts for BMW S58
Billet S2 cams for the BMW S58 Double Vanos, Valvetronic (variable lift) power plant of the BMW M Performance G-body vehicles.
Valve spring upgrade is required when using these camshafts.
Valve spring upgrade is required when using these camshafts.GSC Power-Division camshafts are engineered to maximize airflow, power production, and usable RPM while maintaining the valvetrain stability required for real-world performance. Unlike generic “one-size-fits-all” profiles, GSC camshafts are developed using application-specific analysis that considers cylinder head flow characteristics, valvetrain geometry, rocker motion, intended powerband, fuel type, and engine configuration.
Manufactured from forged barstock in house with precision-ground lobe profiles, GSC cams are trusted by engine builders, tuners, racers, and enthusiasts around the world — from street cars to record-setting drag programs. Whether the goal is improved response, broader power delivery, or extreme horsepower capability, GSC camshafts are built around one principle: maximizing performance without compromising valvetrain control.
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TERMS (REQUIRED)
OFF-ROAD USE POLICY & EMISSIONS COMPLIANCE NOTICE
California Proposition 65 Warning:
This product can expose you to chemicals such as lead and lead compounds, which are known to the State of
California to cause cancer or birth defects or other reproductive harm. For more information, visit
www.P65Warnings.ca.gov.
Under the federal Clean Air Act (42 U.S.C. §7522(a)(3)), it is illegal to manufacture, sell,
install, or use any part that defeats or alters a motor vehicle’s emission control system for use on public
roads. Unless a product has received an Executive Order (EO) from the California Air Resources Board (CARB),
it is not legal for use or installation on any pollution-controlled vehicle driven on public highways.
Civil penalties up to $4,819 per violation per vehicle
Possible criminal penalties under the Clean Air Act
Revocation of registration or smog certification by DMV or local authorities
State & Local Regulations:
Some states have CARB-equivalent or independent emissions laws. Customers are responsible for verifying local
regulations before purchasing or installing emissions-related products.
Intended Use & Customer Certification:
All performance, racing, or competition parts sold by this company are intended solely for off-road,
closed-course, or competition use on vehicles that are never registered or used on public highways.
Company Policy Statement
Kies Motorsports, LLC sells and markets these products for lawful use only. We do not condone or authorize the
use of emission-control defeat devices or any modification that violates the Clean Air Act or state
regulations.