ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

ProMaxx Performance Products
PMH9171
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.
$2,254.00
$2,254.00
$2,254.00
ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

ProMaxx Performance Products

ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

$2,254.00
ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

ProMaxx Performance Products

ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled | PN. 9171

$2,254.00
Description

ProMaxx Performance Products | Project X | Small Block Ford | Cylinder Head | 170cc | Straight Plug | Assembled

PN. 9171

The ProMaxx Performance Products Project X Series cylinder heads deliver exceptional performance at an unbeatable price point. Each head features a precision-machined 356-T6 aluminum casting, designed and assembled in the USA.

Features & Benefits

  • Ultra-smooth 356-T6 aluminum casting for superior heat dissipation and strength
  • Competition 5-angle valve job for maximum flow and sealing
  • Hand bowl blending for optimized airflow
  • 170cc intake runners for excellent power delivery
  • Diamond honed Manganese Bronze valve guides for long service life
  • Unshrouded chambers for improved combustion efficiency
  • Straight plug configuration for easy plug access
  • Designed for Hydraulic Flat Tappet camshafts
  • Viton valve seals for excellent heat and oil resistance
  • Hardened steel valve seats for superior longevity
  • ARP head bolt compatible
  • Assembled in the USA — machined to tight tolerances

Technical Specifications

  • Combustion Chamber: 64cc
  • Intake Runner: 170cc
  • Exhaust Runner: 66cc
  • Intake Valve: 2.02"
  • Exhaust Valve: 1.60"
  • Plug Type: Straight 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 9171. Compatible with Small Block Ford applications. Please verify fitment before ordering.

Fitment
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