Description
DRP - DETROIT RACING PRODUCTS Cylinder heads.
Small Block Chevy Cylinder heads, 195cc, Angle Plug
Sold as a BARE pair.
- Chev 23° DRP-200A Aluminium Cylinder heads
- Angle Spark Plug - fits Ram Horn manifolds - see photo.
- High Torque/Velocity inlet runners that flow 500hp @ .450" lift
- 196cc Intake runner volume + 75cc Exhaust
- 64cc Chamber size (these heads can be milled down to 60cc)
- Crisp throttle response.
- Internal Cast Quality + Thick ( Super Smooth Water Jackets for maximum flow - see our photos of the internal casting)
- Optimal Spark Plug position. The copies dont have this location.
- Premium Bronze Valve Guides. 0.570" OD
- Use Valve Stem Steals: Comp Viton: 518-16 Teflon: 503-16
- Guide Seal Size 0.530" x 11/32
- Hard 355-T6 Aluminium - Race Quality.
- 3 Angle Valve Seats
- Intake Valve size: 2.02"
- Exhaust Valve size: 1.60"
- Recommended Spark Plugs: 750 reach gasketed 5/8 hex. NGK-BCPR7ES
- Recommended Intake Gaskets: Felpro 1205 std Port or Felpro 1206 for Ported
- Recommended Adjustable Guide Plates: Comp Cams 4835-8 & DRP-4835-8
- Valves needed: Intake: 2.020" x 5.011" Long x 11/32" stem.
- Valves needed: Exhaust: 1.600" x 5.011" long x 11/32" Stem.
- Intake Valves: Ferrea F5027-8 & DRP-5027-8
- Exhaust Valves: Ferrea F5025-8 & DRP-5025-8
- Temp Sender Size: 3/8" NPT
These heads flow 530hp @ 0.550" lift
Flow Figures*:
Lift Intake Exhaust
200 145 106
300 192 135
400 232 160
450 242 168 503hp
500 250 178
550 257 179 530hp
600 261 181 537hp
650 260 187
700 255 190
* Flown on a Superflow 600 with a 4.030" Bore and a 30° back cut to the intake valve.
350 CHEV DYNO RUN - 500HP https://www.youtube.com/watch?v=vpwIgJIN5X8
383 CHEV DYNO RUN - LOW COMP 95 OCTANE https://www.youtube.com/watch?v=iAEie9M4fz8
10.6 Second HK 4 Door: Street Trim, 383 Cubes @ 11.5:1 compression. Victor Jnr manifold and a 750 cfm carb. Camshaft is a Total Performance custom solid roller.
Exceptional Quality for a Wow factor of a price!
*See the photo of the internal cast quality. We cut a cylinder head in half to verify the thickness and quality. These castings are exceptional quality.
These Cylinder heads flow and work like you wont believe. Best Bang for your Buck!
Dont waste your time or money on rebuilding old Cast Iron units - upgrade now. Forget the headaches, poor valve seats and crack testing woes.
We do offer Complete assemblies, valves, springs, retainers to suit your application, see our other listings for various assemblies to suit your camshaft. We have 4 Stages - 1 through to 4. We use Stainless Steel Valves and Comp Cams hardware.
Specifications
SKU | DRP-SBC200-A |
Brand | DRP |
Unit Of Measure | ea |
Warranty | Manufacturers Warranty |
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