The factory had the cam retarded 5 crankshaft degrees on all the big Healeys. Offset keys are required when grinding a performance cam. NITRIDING IS STRONGLY RECOMMENDED OH ALL AUSTIN HEALY PERFORMANCE GRINDS. ROCKER ARM RATIO= 1.45:1 (AVG.)

Longer duration cams are available for all-out racing applications. The edge of the cylinder may need to be relieved for the valve to block clearance with cam lifts of 290 or greater. Nitriding (heat treatment) is required on all but stock grinds.
NOCO Boost GB40: 1000A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank & Jumper Cables - for 6.0L Gas and 3.0L Diesel Engines
29% OffSTART DEAD BATTERIES — Instantly start dead batteries with 1000 amps of peak lithium power. Up to 20 starts per charge on engines up to 6.0L gas and 3.0L diesel. ULTRASAFE TECHNOLOGY — Engineered with... read more
Munchkin Brica Sun Safety Car Window Shade with Heat Alert, Helps Block UVA/UVB Rays, 2 Pack, Black
1% OffOptimal Coverage: Includes two auto shades, each measuring 15 x 19 inches (35.6 x 43.2 cm), for maximum sun protection White Hot Indicator: Turns white when the car becomes too hot, providing a safety... read more