Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.55 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads Main Stud Kit treats 3 to 5 gallons

treats 3 to 5 gallons or 13

They were the ultimate power statement when they came factory on cars like the 1967 427 Corvette

Power band: 1500-6700 RPM

needs good intake

Antennas & Adapters

Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.55 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads Main Stud Kit treats 3 to 5 gallonsIntake 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