Six Cylinder Specialists Cylinder Head Porting Services Complete Engine Builds  Custom Parts Home Cylinder head services Six Cylinder Heads Sissell's 12 Port Engines & Parts About Us

       GMC

Chevy
Lump
Port
 Design
$
Bolt on race ready ( less rockers )
2000
inc d: Brazed inlet ports to form LUMP machined ported & polished with indicated valve job, milled, cc d, and assembled to spec.& painted, Inlet port bosses removed & prep d for spl bolts and plugs.
Parts incl d: cylinder head, SS valves, bronze wall guides honed
    to spec, chrome silicone valve springs, chromoly retainers, mach locks, PC seals, screw in studs, spl inlet port bolts & plugs, new soft plugs. Titanium valves/retainers, etc. extra.
Weld head and machine for Studs in inlet port instead of
Allen bolts, Studs
incl d
135
Same - no parts and we use your cyl head
1250
Same as above but epoxied instead of welded
1500
Double
Lump
Port
 Design
Same as
Lump
Port
 with brazed exh. ports add
400
Pro Porting
Bolt on as above but no LUMP brazed in
1200
Labor only ( No parts or cyl head )
750
Econo Flow
Street type preparation labor incl d: Pockets and chambers reworked & polished , precision dial indicated valve job based on OEM sized valves
400
NOTE: Econo flow job does not incl d any parts, cleaning ( hot tank) guide work etc. Over size valves may be installed but a $48 per 6 inlet & $48 per 6 exh will be charged. See cylinder head services for add l work desired.
Chevy 6 head bolt boss removal w/special bolts & plugs ( incl d on lump port & pro )
105
GMC
Lump
Port
Brazed inlet ports machined ported & polished head bolt tubes, dial indicated valve job, milled, cc d and assembled to spec. NOTE: Due to the age & condition of these heads we can not guarantee that the head will not crack when heated in the welding process
1950
Same as above but Epoxy used for lump
1500
Ford 240 & 300
Machine ported & polished, dial indicated valve job, bronze wall guides honed to spec. milled & cc’d, assembled with SS valves, chrome silicone valve springs,( your choice up to Pro 900 )
chromoly ret. hard locks, PC seals & screw in studs, (labor & parts listed above NO CYL HEAD)
1350
Same as above labor only ( no parts or
  CYL HEAD)
1000
Six Cylinder Heads
Six Cylinder Heads