ProMaxx SBC 225cc CNC Ported Small Block Chevy Cylinder Heads

$1,199.00

 

The Shocker CNC Series is our top of the line performance cylinder head. It features professionally designed runners and chambers meticulously CNC ported in the U.S.A.

 

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Category:

Description

ProMaxx SBC 225cc CNC Ported (Bare Heads) = $1199 pr

Specs:
2.08″/1.60″ valve sizes,
68cc-74cc chambers (Your Choice)
225cc Intake Runner

Flow Specs @ 28″ w/2.08″/1.60″ w/30* Backcut valves

.200″ .300″ .400″ .500″ .600″ .700″ .800″
Intake 141 206 257 284 300 305 305

Exhaust 111 144 171 189 202 211 216

Add $300 for Assembled Heads w/ 2.08″/1.60″ Stainless Steel valves
.550″ Lift Flat Tappet Springs,Steel Retainers & Locks, Viton Seals
3/8″ Rocker Studs, 5/16″ Guide Plates

Add $375 for Assembled Heads w/ 2.08″/1.60″ Stainless Steel valves
.600″ Lift Solid Flat Tappet or Hyd. Roller Springs,Steel Retainers & Locks, Viton Seals
7/16″ Rocker Studs, 5/16″ Guide Plates

Add $400 for Assembled Heads w/ 2.08″/1.60″ Stainless Steel valves
.660″ Lift Solid Roller or Aggressive Hyd. Roller Springs,Steel Retainers & Locks, Viton Seals
7/16″ Rocker Studs, 5/16″ Guide Plates