ACT Heavy-Duty Clutch Kits SB2-HDSS Carburettors - Mechanical and the best part is

and the best part is that most these valve covers can be complemented with a matching Slant-Edge air cleaner

(A rare find

Automotive Fittings Part Number: KNN-57-0421

Manufacturer's Part Number: 120-14182

but is not recommended for the most accurate timing

ACT Heavy-Duty Clutch Kits SB2-HDSS Carburettors - Mechanical and the best part isBrand: Advanced Clutch Technology Manufacturer's Part Number: SB2 HDSS Part Type: Clutch Kits Product Line: ACT Heavy Duty Clutch Kits Automotive Fittings Part Number: ACL SB2 HDSS UPC: 00842385009557 Clutch Usage: Performance Clutch Disc Quantity: 1 Flywheel Included: No Input Spline Quantity: 24 Input Shaft Diameter: 1. 000 in. Disc Diameter (in.): 8. 819 in. Disc Diameter (mm): 224mm Disc Material: Organic Disc Style: Full face Hub Style: Sprung