Triumph Spitfire 1500cc - Performance Roller Rocker Set 8tpi AC Ace 289 Mark II

AC Ace 289 Mark II (1965-1969)

The soft flannel inner walls and divider protects your plastic windows from scratching

# of Spokes 72

Jaguar Mk I 2

GTB Quattrovalvole (1982-1985)

Triumph Spitfire 1500cc - Performance Roller Rocker Set 8tpi AC Ace 289 Mark IITriumph Spitfire 1500cc (1974 1980) MG Midget 1500cc (1974 1980) Set 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