ProMaxx 2169 Technical Specifications and Recommended Components:

• Combustion Chamber - 64cc
• Weight per Pair - 55.00 lbs.
• Intake Runner - 185cc
• Exhaust Runner - 72cc
• Intake Valve Size - 2.02"
• Exhaust Valve Size - 1.60"
• Max. Valve Spring Lift - .575" Hydraulic Flat Tappet
• Spring Pressure - Closed 115 lbs. @ 1.800", Open 315 lbs. @ 1.225"
• Valve Seal Material - Viton
• Valve Guide - Manganese Bronze
• Retainer Material - Steel
• Valve Job - 5-angle
• Head Bolts - ARP 070-134-3601
• Valve Spacing - OEM
• Valve Seats - Hardened Steel
• Intake Gasket - Fel-Pro 375-1206 or 375-1266
• Exhaust Gasket - Fel-Pro 375-1405
• Head Gasket - Fel-Pro 375-1004 or 375-1094
• Spark Plug - 750" Reach Gasket Seat

FAQ:

Are aluminum cylinder heads better?

• Yes, ProMaxx 2169 aluminum cylinder heads offer improved performance with enhanced heat dissipation and lighter weight.

What do performance cylinder heads do?

• ProMaxx 2169 performance cylinder heads optimize airflow, combustion, and power output, enhancing your engine's overall performance.

Explore the superior performance of ProMaxx 2169, the ultimate choice for 185 SBC heads.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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