GPI LS3 Camshaft - LS SS2 with 8620 Hardened Core Upgrade - SS2-8620
Street/Strip SS2 Camshaft with 8620 Hardened Steel Core
The GPI LS SS2 Camshaft with 8620 Hardened Core Upgrade takes one of the most proven street/strip LS cam profiles and enhances it with a premium hardened steel core for maximum durability under high spring pressures. Designed for LS3, LS2, and LS1 engines using 3-bolt cam hardware, this upgrade ensures long-term reliability without changing the cam's renowned power characteristics.
Tailored for enthusiasts running a 3000+ RPM torque converter, the SS2 rivals SS1 torque output but delivers an additional 10 - 15 horsepower up top, pulling hard all the way to 6700 RPM. For optimal performance, GPI recommends a 3200+ converter and upgraded rear-end gearing.
A Benchmark LS Camshaft with Real-World Results
The SS-Series cams have earned their reputation as pound-for-pound the best LS camshafts available, and the SS2 is one of the most popular choices among aggressive street/strip builds. These cams have become a standard for Camaros and Corvettes nationwide thanks to their exceptional performance and versatility.
GPI Camshaft and Head Packages featuring the SS-Series have been dominating race tracks, consistently pushing customers deep into the 10-second range. The SS2 sits in the sweet spot between street manners and elevated top-end performance.
Works Beautifully with N/A or Centrifugal Boost
Although originally designed for naturally aspirated LS engines, the SS2 cam profile carries over excellently to centrifugal supercharger setups. Its linear, N/A-compatible power curve makes it ideal for builders who may add boost later.
Four SS-Series Variants for LS Tuners
The SS-Series lineup includes four camshaft profiles designed to match various performance goals. The SS2 sits mid-range, offering significantly more top-end power than the SS1 while maintaining street/strip usability.
Installation Requirements
As a high-lift 3-bolt LS camshaft, the SS2-8620 requires proper supporting components:
- Dual .660" valve springs
- Hardened pushrods
- 3-bolt cam conversion for engines originally equipped with a single-bolt cam
- Torque Converter: 3000+ RPM required (3200+ recommended)
- Recommended: Upgraded rear-end gear ratio
Camshaft Specs
- Duration (Intake/Exhaust): 228 / 240
- Valve Lift (Intake/Exhaust): .646" / .637"
- LSA: 112
- ICL: +4
- RPM Range: Pulls strong to 6700 RPM
- Converter Requirement: 3000+ RPM (3200+ ideal)
Features
- Premium 8620 hardened steel core for increased durability
- Street/strip-designed camshaft for 3000+ RPM converters
- Adds 10 - 15 HP up top compared to SS1
- Strong torque output with aggressive high-RPM pull
- Excellent with N/A or centrifugal supercharged combinations
- Proven 10-second performance in GPI race packages
- Part of a 4-version cam family for all types of LS builds
Quick Specs
- Part Number: SS2-8620
- Platform: LS3 / LS2 / LS1
- Core Type: 8620 Hardened Steel
- Cam Type: High-lift 3-bolt
- Powerband: Up to 6700 RPM
- TQ Converter: 3000+ RPM (3200+ recommended)
- Required Components: Dual .660 springs, hardened pushrods, 3-bolt conversion
- Recommended Mods: Upgraded rear-end gearing
FAQs
What benefits does the 8620 hardened core bring to the SS2 cam?
The 8620 core dramatically improves camshaft strength and wear resistance, especially under high spring pressures. It enhances long-term durability without changing the SS2's proven performance profile.
Is the SS2 cam still streetable with the hardened core upgrade?
Yes. The hardened core only improves durability - it does not change drivability. With the correct converter, the SS2 maintains good street/strip manners while offering a stronger top-end than the SS1.
Why Buy from Beefcake Racing?
Beefcake Racing provides expert assistance, competitive pricing, and fast shipping on GPI camshafts and LS performance parts. Need help choosing the ideal SS-Series cam for your build?
Call 1-855-827-7223 or email sales@beefcakeracing.com.
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