ProMaxx SBC 183cc Small Block Chevy Cylinder Heads

$699.00

 

Precision Race Engines Aluminum Small Block Chevy Cylinder Heads

 

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Description

The MAXX Series is taking the affordable performance cylinder head to the next level. There is no comparison in the market. Our new ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined to create the perfect platform for our new runner and chamber designs. This combined with our 5 angle competition valve job, diamond honed bronze guides, hand bowl blending and assembly by our professional builders right here in the U.S.A produces out of box performance that out performs the top brands in the industry. MAXX quality & MAXX performance at minimum pricing – Promaxx Performance.

ProMaxx SBC 183cc As Cast (Bare Heads) = $699 pr
Specs:
2.02″/1.60″ valve sizes,
64cc chambers,
183cc Intake Runner

Flow Specs @ 28″ w/2.02″/1.60″

.200″ .300″ .400″ .500″ .600″ .700″ .800″
Intake 138 196 244 259 263 265 265

Exhaust 105 135 152 157 159 160 160
(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