ProMaxx SBF 175cc Cylinder Heads

$740.00

 

The SBF Maxx 180 is an as cast head that beats the competition. Don’t let the size fool you, flowing over 260 cfm, this head makes real power. It puts out up to 20 hp over the competition.

 

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Category:

Description

ProMaxx SBF 175cc As Cast (Bare Heads) = $740 pr
Specs:
2.02″/1.60″ valve sizes,
60cc chambers,
175cc Intake Runner

Flow Specs @ 28″ w/2.02″/1.60″

.200″ .300″ .400″ .500″ .600″
Intake 135 197 231 254 268

Exhaust 119 152 172 190 202
(no pipe)

Add $300 for Assembled Heads w/ 2.02″/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/ 2.02″/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/ 2.02″/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