Diamond 30320-RS - Mod2k Race Series Piston / Ring Set for Ford 4.6L 4V -5.5cc Dish, 3.552" Bore, 3.543" Stroke, 5.933" Rod Length, 1.220" CD

Diamond's all new Mod2k Race Series Pistons for the Ford 4.6L 4V Engines are the absolute best pistons available on the market! These Pistons feature a lightweight, yet super strong, strutted forging with all the upgrades needed to support up to 2000 HP right out of the box!

Features: 

• 2618 Alloy Strutted Forging
• Additional Pin Boss Struts for added strength 
• .325" Down Top Ring Land 
• .165" Intake / .070" Exhaust Valve Reliefs - Trough Style
• Lateral Gas Ports for better ring seal 
• Moly Coated Skirts
• Trend Performance .225" Wall H-13 Wrist Pins 
• Total Seal AP Steel Piston Ring Set - Napier 2nd upgrade optional 

Compression Ratio: 9.7:1  
Compression ratio calculated with 3.650" Bore / .039" Compressed Thickness
Head Gasket with .010" Piston to Deck Clearance - 52cc Chambers 

Specifications: