- Ultra-smooth 356-T6 Aluminum Casting
- Competition 5 angle valve job
- Hand Bowl Blending
- Precision designed Runners
- Large Spring pockets
- 185cc intake runner
- Diamond honed guides
- Chamber unshrouded
- Machined and Assembled in the USA
- Assemblies feature 21-4N Stainless 1 pc Swirl polished back cut valves, studs and guide plate
| Flow Data @ 28″ water |
|
|
|
|
|
| lift |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
| Int |
77 |
155 |
215 |
253 |
261 |
267 |
270 |
| Ext |
65 |
115 |
149 |
174 |
189 |
197 |
202 |
| PART # |
BRIEF DESCRIPTION |
PLUG TYPE |
CHAMBER SIZE |
VALVE SIZE |
MAX LIFT |
| 9186S |
SBC 185 Assy Hyd Flat Tappet |
STRAIGHT |
64 |
2.02/1.6 |
.575 Hyd Flat Tappet |
| 9187S |
SBC 185 Assy Hyd Roller |
STRAIGHT |
64 |
2.02/1.6 |
.600 Hyd Roller |
| 9188S |
SBC 185 Assy Solid Roller |
STRAIGHT |
64 |
2.02/1.6 |
.700 Solid Roller |
| 97898S |
SBC 185 Assy Solid Roller Ti Retainers |
STRAIGHT |
64 |
2.02/1.6 |
.700 Solid Roller Ti Retainers |
| 9185S |
SBC 185 Bare |
STRAIGHT |
64 |
2.02/1.6 |
BARE |
| 9189TS |
SBC 185 Solid Roller Ti Retainers |
STRAIGHT |
64 |
2.02/1.6 |
.800 Solid Roller Ti Retainers |
Combustion Chamber ……64
Weight …………………………55.00 lbs.
Intake Runner ……………. 185cc
Exhaust Runner …………..66cc
Intake Valve Size …………2.02”
Exhaust Valve Size …….. 1.60”
Spring Pressure
Hydraulic Flat Tappet .575 max lift
Closed ………………….. 115 lbs. @ 1.800”
Open ……………………. 310 lbs. @ 1.225”
Hydraulic Roller .600 max lift
Closed …………………… 145 lbs. @ 1.800”
Open …………………….. 325 lbs. @ 1.200”
Solid Roller .700 max lift
Closed …………………… 230 lbs. @ 1.900”
Open …………………….. 600 lbs. @ 1.200”
******* other spring options available******
Valve Guide ……………Manganese Bronze
Valve Seal Material … Viton
Retainer Material ……Steel and Titanium
Valve Job ……………… 5-angle
Head Bolts……………. ARP #134-3701
Valve Spacing ………. OEM
Valve Seats ……………Hardened Steel
Intake Gasket ………. Fel-Pro 1206
Exhaust Gasket ……. Fel-Pro 1404
Head Gasket ……….. 350 cubic inch Fel-Pro #1003 or for 400 cubic inch Fel-Pro #1014
Spark Plug …………. .750” Reach Gasket Seat
Torque specs …….. 80 Ft lbs. 3 increments using 30wt oil
Head studs…………….. ARP #234-4301
Valve Cover Bolt Pattern……. Perimeter Bolt
Deck Thickness………… .750″
