GPI High Lift LS Camshaft (4.8L / 5.3L / 6.0L / 6.2L) - HLT1
High Lift Performance for Real Working Trucks
The GPI HLT1 High Lift LS Camshaft is engineered for truck owners who want stronger torque, better throttle response, and improved drivability without sacrificing reliability. Designed for 4.8L, 5.3L, 6.0L, and 6.2L LS engines, this cam delivers a stable idle, excellent low-end torque, and a smooth, quiet lobe profile for long-term durability.
No torque converter or exhaust upgrade required, making the HLT1 ideal for lightly modified work trucks, daily drivers, and street builds.
Built for Practical Power
With strong torque starting at 1,750 RPM, the HLT1 shines in towing, hauling, and real-world driving. GPI's refined lobe design maintains excellent valvetrain stability and longevity - perfect for Silverado/Sierra trucks, SUVs, and LS-swapped hot rods.
High Lift Camshaft Series Overview
The GPI High Lift LS cam series includes four profiles designed for a wide range of trucks, performance goals, and driving styles. The HLT1 and HLT2 offer maximum drivability with meaningful performance gains, while HLT3 and HLT4 target more aggressive setups.
Cam Specs - HLT1
- Part Number: HLT1
- Duration (Int/Exh): 212 / 216
- Lift (Int/Exh): .629 / .629
- LSA: 112
- ICL: +4
- Recommended RPM Range: 1,750+ RPM
- Converter Requirement: Not required
Performance Highlights
- Excellent low-end torque for towing and daily driving
- Stable idle and smooth street manners
- Quiet, durable lobe design
- No converter or exhaust upgrade needed
- Strong improvement in throttle response and midrange power
Quick Specs
- Part Number: HLT1
- Engine Compatibility: 4.8L / 5.3L / 6.0L / 6.2L LS
- Cam Type: High Lift, 3-Bolt LS Camshaft
- Street Manners: Excellent
- Intended Use: Towing, daily driving, mild performance builds
Fitment
- Chevrolet Silverado (4.8L / 5.3L / 6.0L / 6.2L)
- GMC Sierra (4.8L / 5.3L / 6.0L / 6.2L)
- Chevrolet Tahoe
- GMC Yukon / Yukon XL
- Chevrolet Suburban
- Chevrolet Avalanche
- LS-swapped street rods and hot rods
FAQs
Does the HLT1 require a torque converter upgrade?
No. The HLT1 is engineered to work perfectly with a stock converter.
Is this camshaft good for towing?
Yes - its low-end torque enhancement makes it ideal for towing and hauling.
Why Buy from Beefcake Racing?
For expert guidance, fast shipping, and the best pricing on GPI camshafts, Beefcake Racing is your trusted source.
Call 1-855-827-7223 or email sales@beefcakeracing.com.
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