ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

ProMaxx Performance Products
PMH2173
This is a SPECIAL ORDER part. This item can be brought in either with a stock order or on its own. Contact us today to discuss available options BEFORE ordering.
$1,410.00
$1,410.00
$1,410.00
ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

ProMaxx Performance Products

ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

$1,410.00
ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

ProMaxx Performance Products

ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet | PN. 2173

$1,410.00
Description

ProMaxx Performance Products | Maxx Series | Small Block Chevy | Cylinder Head | 185cc | Hydraulic Flat Tappet

PN. 2173

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 Hydraulic Flat Tappet 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

  • Combustion Chamber: 64cc
  • Intake Runner: 185cc
  • Exhaust Runner: 72cc
  • Intake Valve: 2.02"
  • Exhaust Valve: 1.60"
  • Plug Type: Angle Plug
  • Valve Guide: Manganese Bronze
  • Valve Seal: Viton
  • Valve Seats: Hardened Steel
  • Valve Job: 5-Angle
  • Weight: ~55 lbs per pair

Sold in pairs. Part number 2173. Compatible with Small Block Chevy applications. Please verify fitment before ordering.

Fitment
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