Introducing the ALL-NEW, Exceptional Steel Cast Big Block Chevy 315 cc head from FLOTEK! With a beautiful Polycrystalline Diamond Cut Finish, and cast from a permanent steel mold, this makes the FLOTEK Cylinder Head an easy choice! Unbeatable design, superb performance and exceptional pricing accomplish everything for the street or strip enthusiast! A powerful, out-of-the-box cylinder head design matched with an outstanding, unbeatable casting technology. We are here to tell you? this BBC head does just that! FLOTEK Aluminum Cylinder Heads are a great choice for out of the box horsepower. These FLOTEK Cylinder Heads have a thick Deck Design and High Capacity water jackets that makes them a reliable choice for street or strip applications. The FLOTEK BBC 315 takes stock pistons and has raised valve cover rails. The BBC 315 Exhaust Port location is raised .360 degree.
VALVE SPRINGS: HYDRAULIC ROLLER (Part# 315-600) - PSK-236-1-7 Up to .600 Lift CL 147# @ 1.90 OP 365# @ 1.22 C/BIND 1.12 O.D 1.53" Dual W/D I.D. 1.12 SOLID ROLLER (Part# 315-6058) - PSK623-1-10 Up to .680 Lift CL 290# @ 1.90 OP 625# @ 1.30 C/BIND 1.17 O.D 1.62" Dual W/D I.D. 0.74 SOLID ROLLER (Part# 315-5059) - PAC1224 Up to .850 Lift CL 275# @ 2.00 OP 810# @ 1.150 C/BIND 1.100 O.D 1.62" Dual I.D. 0.85
- Cylinder Head Style:
- Assembled
- Cylinder Head Material:
- Cast aluminum
- Cylinder Head Finish:
- Natural
- CNC-Machined Combustion Chamber:
- No
- Combustion Chamber Volume (cc):
- 121cc
- Combustion Chamber Style:
- Heart
- CNC-Machined Intake Runner:
- No
- Intake Runner Volume (cc):
- 315cc
- Intake Port Shape:
- Rectangular
- Intake Port Location:
- Standard
- Intake Valve Angle:
- 24/4 degree
- CNC-Machined Exhaust Runner:
- No
- Exhaust Runner Volume (cc):
- 121cc
- Exhaust Port Shape:
- Oval
- Exhaust Port Location:
- Raised 0.360 in.
- Exhaust Valve Angle:
- 15/4 degree
- Intake Valves Included:
- Yes
- Intake Valve Diameter (in.):
- 2.300 in.
- Exhaust Valves Included:
- Yes
- Exhaust Valve Diameter (in.):
- 1.880 in.
- Valve Type:
- Stainless
- Maximum Valve Lift (in.):
- 0.600 in.
- Valve Springs Included:
- Yes
- Valve Spring Type:
- Dual W/Damper
- Outside Diameter of Outer Spring (in.):
- N/A
- Valve Guides Included:
- Yes
- Valve Guide Material:
- Bronze
- Valve Seats Machined:
- Yes
- Valve Seat Material:
- Powdered metal
- Valve Seat Machine Style:
- N/A
- Retainers Included:
- Yes
- Retainer Material:
- Chromoly
- Valve Stem Seals Included:
- Yes
- Valve Stem Seal Style:
- Viton Positive stop
- Locks Included:
- Yes
- Lock Style:
- 10 and 7 degree
- Camshaft Style:
- Hydraulic roller
- Spark Plug Style:
- Angled
- Guideplates Included:
- No
- Guideplate Pushrod Size:
- N/A
- Rocker Arm Studs Included:
- No
- Rocker Arm Nut Thread Size:
- N/A
- Accessory Bolt Holes Drilled:
- Yes
- Valve Cover Mounting Style:
- Perimeter bolt
- Heat Crossover:
- No
- Steam Holes Drilled:
- No
- Oiling Style:
- Through pushrod
- Machined for O-Ring:
- No
- Quantity:
- Sold individually.
- Notes:
- Valve Spring Pressure, 265 lbs open, 147 lbs closed. Spark Plug Type 14mm Spark Plug, .750 Reach
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1990
- Engine Family:
- Chevy big block Gen VI
- Engine Family:
- Chevy big block Gen V
- Engine Sizes:
- 7.4L/454
