Edelbrock Performer RPM Cylinder Head - Chamber Size: 64cc Lap Belts & Harnesses All Speed-Flex hoses are compatible

All Speed-Flex hoses are compatible with gasoline

Prevents wild oscillations

3/4"-16 filter thread

The Zamp RZ-42Y Youth Auto Racing Helmet exceeds Snell CMR2016 standards

12-Point Mounting Screws w/ Chrome Plated Finish

Edelbrock Performer RPM Cylinder Head - Chamber Size: 64cc Lap Belts & Harnesses All Speed-Flex hoses are compatibleCylinder Head Specifications: Combustion chamber volume: 65cc 70cc; Intake runner volume: 185cc & 195cc; Exhaust runner volume: 65cc; Intake valve diameter: 2. 02"; Exhaust valve diameter: 1. 60"; Valve stem diameter: 11 32"; Valve guides: Manganese Bronze; Deck thickness: 9 16"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"; Rocker stud: 3 8"; Guideplate: Hardened steel; Pushrod diameter: 5 16"; Valve angle: 23 ; Exhaust port