ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Solid Roller w/ Titanium Retainers
PN. 2169SRT
The ProMaxx Performance Products Maxx Series cylinder heads take affordable performance to the next level. Featuring an ultra-smooth Grade A 356-T6 aluminum casting that is precision CNC machined, these heads deliver CNC-quality flow numbers at an as-cast price.
Features & Benefits
- Grade A 356-T6 aluminum precision CNC machined casting
- 5-angle competition valve job for maximum flow and efficiency
- Diamond honed Manganese Bronze valve guides
- 185cc intake runners optimized for high RPM power
- Unshrouded combustion chambers for improved burn efficiency
- Spring package compatible with Solid Roller w/ Titanium Retainers camshafts
- Viton valve seals resist heat and oil degradation
- Hardened steel valve seats for extended service life
- Machined and assembled in the USA
Technical Specifications
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Combustion Chamber: 64cc
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Intake Runner: 185cc
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Exhaust Runner: 72cc
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Intake Valve: 2.02"
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Exhaust Valve: 1.60"
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Plug Type: Angle Plug
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Valve Guide: Manganese Bronze
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Valve Seal: Viton
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Valve Seats: Hardened Steel
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Valve Job: 5-Angle
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Weight: ~55 lbs per pair
Sold in pairs. Part number 2169SRT. Compatible with Small Block Chevy applications. Please verify fitment before ordering.