Triumph TR2 TR3 TR3b & TR4 - Performance Roller Rocker Set flat hub Lightweight: Perspex is lighter than

Lightweight: Perspex is lighter than glass

The 1954-1956 D-type was modernized with a functional

and Midget models

Meant for the rear

PROMAX installs in less than 15 minutes

Triumph TR2 TR3 TR3b & TR4 - Performance Roller Rocker Set flat hub Lightweight: Perspex is lighter thanSet of 8 Rockers that slide right on to your existing stock rocker shaft Our Roller Rockers reduce friction and wear = increased horsepower. Less side loading on the valve. Greater Valve Life. Slightly more aggressive that the stock ratio (1. 5: 1 vs. 1. 45: 1), but still very streetable. Reduces valve chatter. Ratios are more accurate from rocker to rocker (vs stock rocker arms), making the lift more even across all of the cylinders. Can be used on