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2014-2019 Silverado-Sierra RPM 505 Package 5.3L

2014-2019 Silverado-Sierra 5.3L 520 N/A PACKAGE

505 BHP 420 Lbs ft of torque

Package includes:

- Engine removal, inspection and cleaning for assembly
- CNC ported & polished LT1 cylinder heads with OEM hollow stem 2.13-inch intake valves, stock sized stainless steel exhaust valves
- Three angle valve job, hand blending of valve seats
- CC chambers, surface, set spring heights and assembly
- Dual valve springs, titanium retainers, 10 degree locks
- Aggressive Idle hydraulic roller camshaft with phaser
- Stainless Steel 1 7/8 header with high flow catalytic converters
- High Flow Air Filter Kit
- High strength Head bolts
- All necessary gaskets, fluids(Royal Purple) & bolts
- Professional assembly & engine installation
- Custom engine control module reprogramming
- Chassis dyno testing before & after installation
- Excellent drivability, highway mileage not adversely affected
- RPM limited 1 year/ 12,000 mile warranty
- Cleaning & detailing, full tank of 93 Octane fuel before delivery
- Please call for pricing, availability and scheduling
Please Call for Availability
Availability: Call for pricing, availability and scheduling


Deletes factory active fuel management AFM & variable cam timing system

Normal installation time required: 1-4 days with prior notification. Installation time may change based on current production levels. Package inclusions are subject to change without notice.

Horsepower can vary between vehicles

Aftermarket exhaust required to get full potential.


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