Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.55 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads 121002 Proven Results:

Proven Results:

710 in Long

2005-2005 Pontiac Grand Prix

6 AN Female Swivel to 6 AN Female Swivel

Double Roller Chain

Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.55 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads 121002 Proven Results:Intake and exhaust rockers are joined in pairs on a shaft that is 22% larger and engineered for extreme RPM. Maximum width bearings deliver greater rigidity, resistance to breakage and superior load carrying ability, eliminating the need for screw in studs, guide plates and stud girdles. Rocker arms bolt to existing 7 16" stud mountings with supplied bolts. Easy to service in the field. Sold in sets of 16. Yella Terra has been designing, developing