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
Valve Jobs
4Cyl
6Cyl
8Cyl
Precision Multi angle, dial indicated .0015 T.I.R., set heights set +.002 & Seat locations set each valve hand lapped to insure proper seal
$113
$170
$225
Same valve job plus blended to chambers & pockets add
75
100
150
Note: Valve work prices do not inc d hot tanking, guide work, extensive corrections, re-ass y or parts, etc. A $30. disassembly & inspection charge will be incurred if we do no further work.
Valve Guides
Install bronze wall guides & precision hone to spec (incl d parts)
75
115
150
Install steel false guides (plus parts)
60
90
120
Hone guides (as pos
30
45
60
R & R removable guides Cast iron heads
24
36
48
R & R
removable guides Aluminum heads
48
72
95
Machine for PC seals - inc d ck retainer to guide clearance (per cam lift)
25
35
45
Machine O.D. for inner springs & machine spring pads for O.S. springs
30
45
60
HEAD MILLING
ST mill & CC
40
60
80
ST mill
to .020 (v8 pair)...(add $60.
to ck and bal cc s head to head)
46
Additional for each .020 cut per head
10
Angle Mill Small Block Chev to your cc specs, inc d manifold surface and bolt pads - pr
275
Angle Mill Big Block Chev to your cc specs, inc d mach. manifold surface on
Bridgeport
    mill & spot face bolts pads
350
Surface manifold side of heads Sm Blk
75
Surface Manifold side 6 Cyl
25
cc per chamber
30
Valve Seats
(Hard exhaust seats necessary to run earlier heads with unleaded fuel)
Install seats in cast iron heads - 1st seat $30. over 2 seats - $15 each (plus parts) Install seats in aluminum heads (w/heat shrink) - 1st seat $40., over 2 seats $20. ea. (plus parts)
Inspection
 (not inc'd with valve jobs, etc.)
Magnaflux - per head
30
Pressure check per head (unusual or uncommon heads may run add l
30
60
Disassemble heads to evaluate (inc d if we do valve job)
15
30
45
Cleaning
Wash in jet clean to de-oil for valve job, mag, or after porting
20
20
25
Hot Tank (caustic)
30
30
50
Glass beading ($45/hr) chambers and ports inc'd w/valve job
20min
ASSEMBLY OEM
 (stock) spec
18
20
30
High performance dual, triple springs - ck all dimensions
  25+
  38+
 50+
Pro Series
4Cyl
6Cyl
8Cyl
Labor inc d: Dial indicated valve job, ports, pockets, and chambers completely reworked and polished (no parts, guide work, assembly, etc is included). Welding if necessary is extra
$500
$750
$1000
Competition Series
Labor inc d: Similar to Pro Series, except ports and pockets are not as extensively reworked. Ports, pockets and chambers are completely polished
400
575
675
Econo Flow Series
Labor inc d same precision valve job pockets are reworked and polished, chambers are polished {valve work is blended, etc.} Except for very serious racers, this is the job that is recommended
300
400
500
Porting
Options
Pockets only ported and polished as per our Econo Flow Series
100
150
200
Chambers only polished per our Econo Flow Series
 60+
 90+
 120+
Big Block Chevy Pockets re-worked as in our Pro Series
 225+
Oversized valves installed ( Inlet OR exhaust up to .125 oversize )
32
48
65
Ports gasket matched ( inlet OR exhaust)
40
60
80
Manifolds port matched approx. 1 from head surface
40
60
80
Manifold plenum reworked
 175+
Flow cylinder head ( one inlet and exhaust)
30
Big Block Chevy Cylinder Head Options
Install 2 extra head bolts per head to reduce head gasket problems
295
Drill and tap block to accept above bolts
150
Install long exh rocker studs in Alum heads to prevent breakage
85
Pin valve guides in Alum heads w/ set screws to prevent slippage
75
Weld heat riser in exh ports w/ spl plates
85
Install spacer plates for tall blocks
65
Install special oversize exh guides in iron heads to prevent water leaks - plus parts
 90pr
Xray and penetrant ck. valves ( 35 min ) set of 16 valves
95
Valve Springs
12
16
PRO
850
(1,550 dia.)
120
160
PRO
480
(1,437 dia.)
65
86
PRO
470
(1.437 dia.)
65
86
Z-28 +
(1.250 dia.) .600 lift max
45
60
Z-28
(1.250 dia.) .500 lift max
45
60
OEM
sm blk. chevy
25
35
CROWER, MANLEY & ISKY springs available at competitive prices
Cylinder Head Services
Cylinder head services