1997-2010 LS1, LS6 & LS2 1.7 Roller Rockers

Fits 1997-10 LS1, LS6 & LS2 powered engines
Direct OEM replacement, won't void your factory warranty
Adds 8 to 11% more horsepower by adding more lift to your factory camshaft
Can increase mileage by 10 % to 15% (ideal for truck and SUV applications)
Shaft mounted design improves high speed stability and reliability over factory stud mounted design
Integrated oil passage in the front of each rocker arm supplied proper oiling to the valve spring
Large trunnion & more needle bearings to spread the load, integral pushrod seat
Computer designed and machined from 7071 aircraft alloy
Includes extruded aluminum arms, precision alloy steel trunnions and shafts and posilok nuts
Installs in approximately 3-4 hours (may doubling up on valve cover gaskets, hardened push rods may be required for applications not equipped with screw-in studs and push rod guide plates or when using extremely heavy valve springs)
Why Choose Granatelli Roller Rockers?