Scat Cranks - SBC 4340 Forged Crank - 3.250 Stroke The O-ring port threads are

The O-ring port threads are slightly shorter than most ORB fittings to avoid bottoming out inside the cooler and to improve oil flow

Breather - Push-In - Oval - 1-1/4 in Hole - PCV - 3/8 in Hose Evacuation Fitting - Aluminum - Polished - Each

875 in Deep - Tube Chassis - Clears 4-Bolt Main Caps - Steel - Black Powder Coat - Big Block Ford - Each

This same oxidizing property

Throttle Body - 1745 CFM - Dominator Flange - 4-Barrel - Aluminum - Black Anodized - Universal - Kit

Scat Cranks - SBC 4340 Forged Crank - 3.250 Stroke The O-ring port threads areCrankshaft Standard Weight 3. 250 in Stroke Internal Balance Forged Steel 2 Piece Seal Small Block Chevy Each