MGB - Performance Roller Rocker Set Select Ratio:1.5:1 Ratio and hope that your truck

and hope that your truck will start

Spins your motor faster at start up

Triumph TR owners:  Need to convert your steel wheel car to accept wire wheels

Your original starter's pinion gear will either have 9 teeth or 10 teeth

MGB - Performance Roller Rocker Set Select Ratio:1.5:1 Ratio and hope that your truckSet 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