Milodon Crankshaft Scraper - SB Chevy 1DK19338411SFI Ordinary roller valve springs will

Ordinary roller valve springs will quickly succumb to resonant vibration

Proper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance

One quart of AFCO shock oil

Recommend using an accusump because of the lower capacity

Rocker Arm Stud

Milodon Crankshaft Scraper - SB Chevy 1DK19338411SFI Ordinary roller valve springs willAdditional "free" horsepower can be found by the installation of a crankshaft scraper. a scraper will remove any excess oil left on the crank & rods that the windage tray does not remove. Scraper requires fitting to individual crank and rod profile, as well as to engine stroke. Wiper should be fitted to within . 045" from rods and . 035" from crank counterweights. When installed, scraper is sandwiched between pan rail and block. For 50 years since its