Big Block Chevy 315cc/121cc

In stock
Product Details

This item is not sold as a pair, this is a single cylinder head.

Please select a quantity of 2 on the following page to order a pair of cylinder heads

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″.


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


Use Push Rod length checker to establish correct length.

  • Headers will bolt on in most applications. Some may have interference.
  • Recommendations: Hooker Super Comp Headers
  • Stock Bolt Spread
  • May be necessary to use lowered motor mounts

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Ford Chevrolet GMC

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