SBC Small Block Chev 350 23° Heads DRP ASSEMBLED Comp Cams HYDRAULIC ROLLER

SKU: DRP-SBC200-A-HR

SBC Small Block Chev 350 23° Heads DRP ASSEMBLED Comp Cams HYDRAULIC ROLLER

DRP VALVES

$2,038.72

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Description

500HP and 460ft/lb of Torque from a 350 Small Block Chevy*

Complete - Assembled to suit Hydraulic Roller - using Comp Cams Valve Springs. 

Wow of a price for such a great Horsepower and Torque!!
*Dyno results are from a 350 Chev with a Solid Flat Tappet.
 
Heads are assembled for HYDRAULIC ROLLER & includes:
      °DRP Cylinder Heads - Hand assembled by US using Comp Cams hardware and DRP STAINLESS VALVES (hand assembled in Melbourne)
      °Comp Cams - Springs 985-16 (Dual).
                  Intake: 148LBS Seat & 349LBS Open @ 0.550" Lift.  (Max lift 0.580"/060" to coil bind)
                  Exhaust: 142lbs Seat & 343lbs  Open @ 0.550' Lift  (Max lift 0.580"/060" to coil bind)
      °Comp Cams - Retainers, Locks, Spring Seats, Seals 
      °DRP - 5000 Series valves - Stainless 241-N with a 30° back cut on the intake for improved flow and performance. 

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. 

 
REQUIRES:
  • Adjustable guide plates  - see listing part # 4835-8 Comp Cams or DRP-4835-GP
  • Rocker Studs  - Part # 4512-16 Comp Cams - or ARP 100-7101 
 
 
Please allow 5 days to assemble the heads. * If you need these sooner, just ask. 
 
* Results will vary depending on your build and combination of other items. 
This Dyno test was carried out with a Solid Flat Tappet Camshaft,255/256 Duration and 0.540/0.534" valve lift with a 106 LSA. 1 3/4 Headers, Electrical Water pump, Edelbrock Victor Jnr Single plane intake (we feel you will achieve similar results with an air gap dual plane. 11:1 Compression with a domed Piston. 34°

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

Specifications

SKU DRP-SBC200-A-HR
Brand DRP
Unit Of Measure ea
Warranty Manufacturers Warranty

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