DRP SBC Chevy 350 Cylinder Heads -
Complete Assembled for Hydraulic Flat Tappet
500HP and 460ft/lb of Torque from a 350 Small Block Chevy*
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 FLAT TAPPET & includes:
°DRP Cylinder Heads - Hand assembled by US using Comp Cams hardware and DRP Stainless Valves (hand built in Melbourne)
°Comp Cams - Springs 986-16 (Dual) inners can be left out for cam break in - just ask.
°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
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.
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°