PAIR ASSEMBLED BBC CHEVY ALUMINIUM CYLINDER HEADS 335cc / 118cc SOLID ROLLER - CHEVY BIG BLOCK
Assembled Street Solid Roller - Range 2200-6800rpm
SOLD OUT
Description
454 Big Block Chevy Performance Cylinder Heads, Assembled Solid Roller Camshaft, DRP DETROIT RACING PRODUCTS - Performance Cylinder Heads
DRP Performance 335cc BBC Cylinder heads are manufactured using premium alloy and cast in an OEM equivalent permanent Mold. The DRP “as-cast” ports and chambers perform out of the box! “ Dont let the budget friendly price BBC cylinder head confuse you with as these are perfect for your larger cube Big Blocks from 509 to 540 Cubes. These assembled Big Block Cylinder heads perform between approx 2200 to 6800RPM with the Comp Cams spring pack (depending on enigne combination).
Sold as a PAIR.
Assembled to suit a Street Solid Roller Camshaft
- Comp Cams Double Valve Springs + Comp Cams components
- Max Lift: 0.670" @ 060" to coil bind.
- Seat Pressure: 210 Lbs
- Open Pressure: 520 Lbs @ .650" lift
- Valve Installed Heights: 1.900"
- Premium Bronze Valve Guides
- Hard 355-T6 Aluminium Race Quality
- 3 Anlge Valve Seats - CNC Machined
- DRP Intake Valve 2.250" x 11/32" x 5.370"
- DRP Exhaust Valve 1.880" x 11/32" x 5.320"
- Combustion Chamber size: 118cc
- Intake Port Volume: 335cc
- Exhaust Port Volume: 148cc
- Intake Port Dimensions: 1.780" H x 2.500" H
- Intake Port Location: Stock
- Exhaust Port Volume : 148cc
- Exhaust Port Location: Raised 0.360"
- Exhaust Port Dimensions: 1.900" W x 1.660" H
- Valve Angle: 24°/4° Int, 15°/4° Exh
- Valve Spring Pocket Diameter: 1.750"
- Minimum Bore Diameter: 4.250"
- Flat Mill: .006" per cc/ Min chamber 105cc
- Angle Mill .009" per cc/ Min chamber 100cc
- Recommended Spark Plugs: .750" reach gasketed 5/8, NGK BCPR7ES
- Recommended Intake Gaskets: Felpro 1275 or Felpro 1252-3
- Recommended Head Bolts:
- ARP-135-3603 - 6 point
- ARP-135-3703 - 12 point
- Recommended Head Studs:
- ARP-235-4713
Does not include: Rocker Studs & Guide Plates.
Rocker Studs & Guide Plates we recommend
- Screw In Studs: ARP-100-7101
- Comp Cams Guide Plates: 4806-8 3/8" Pushrod
- Comp Cams Guide Plates: 4820-8 7/16" Pushrod
FLOW FIGURES
| HEADS | DRP-BBC 340 | 335cc | ||||
| CFM Flow @ 28 (inHg) on a 4.310" Bore (454 + 060")* | ||||||
| LIFT | INTAKE | EXHAUST | ||||
| 0.100" | 78 | 73 | ||||
| 0.200" | 142 | 130 | ||||
| 0.300" | 210 | 172 | ||||
| 0.400" | 270 | 208 | ||||
| 0.450" | 300 | 223 | ||||
| 0.500" | 310 | 233 | ||||
| 0.550" | 322 | 241 | ||||
| 0.600" | 331 | 248 | ||||
| 0.650" | 337 | 255 | ||||
| 0.700" | 345 | 263 | ||||
| 0.750" | 346 | 265 | ||||
| *Flowed at Total Performance Vic 7th April 2020 | ||||||
Specifications
| SKU | DRP-BBC340-SR |
| Brand | DRP |
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