SBC Double Humps

Factory " Double Hump" cast iron cylinder heads ---   461 - 462 - 291- 186- 492 casting #'s.

We take the factory castings, and then port the most critical areas of the cylinder head to achieve maximum flow with minimal port size . All heads receive our own custom RGM Valve job , specially prepped valves, and our CNC Race Port for cast iron cylinder heads that concentrate on low lift flow numbers to suit the camshafts and rocker arms that are mostly used with these style heads.  Pricing is for labor for your supplied castings.

SBC Cast Iron Race Port            $    475.00

Labor included:    These items normally cost $ 573.00 --- $ 98.00 discount package price

1.    Competition  Valve Job

2.    Race Prep Valves

3.    CNC Race Port

4.    Check Valve guides

5.    Check deck surface for flatness

6.    Disassembly and Cleaning

5.    Professional Assembly

Options:

1.    Flat mill                $    80.00

2.    Install Bronze Valve Guide Liners        $    100.00

3.    Cut Spring Pads for larger diameter valve springs       $    45.00

4.    Full Competition Porting        $    300.00

5.    Pressure Check    $    40.00