Flo-Tek Recommended Setup:
Header – Based on Chassis-2 1/8”
Rocker Arms – Isky Roller Rockers 204-96 1.75:1 or Equivalent
Intake Manifold – Victor JR or Super Victor

FLOTEK Performance Big Block Chevy Cylinder Heads are manufactured from cast aluminum and are designed to meet the demands of the big block Chevy enthusiast while retaining high quality at a reasonable price! Perfect for all high performance street/strip, racing, and marine applications, FLOTEK’s 360 cylinder heads for big block Chevy deliver exceptional power potential and competition level durability. Features include rectangular intake runners for strong mid-to high-rpm performance.

The FLO-TEK BBC 360 takes stock pistons with raised valve cover. The BBC 360 Exhaust Port location is raised .500.


HYDRAULIC ROLLER (Part# 360-6056) – PSK573-1-10 Up to .725 Lift CL 225# @ 1.90 OP 530# @ 1.28 C/BIND 1.18 O.D 1.55” Dual W/D I.D. 0.75

SOLID ROLLER (Part# 360-6058) – PSK623-1-10 Up to .750 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# 360-5059) – 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


  • 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


Specifications, Features & Optional Supporting Components

Head Bolt Torque75 Ft Lbs w/ oil
Intake Valve SeatPowder Metal
Exhaust Valve SeatPowder Metal
Bronze Valve GuidesPhosphor Bronze
Rocker Stud Torque50 Ft Lbs w/ oil
Intake Port GasketFel Pro 1252-3 (320) Fel Pro 1211 (360)
Exhaust Port GasketFel Pro 1410
Head GasketFel Pro #1047 (Mark V and VI), Fel-Pro #1017-1 (Mark IV)
Head BoltsARP 135-3703 (Mark IV),ARP 135-3707 (Mark V)
Head StudsARP 235-4713
Stud GirdleHarland Sharpe G1114 (7/16)
Suggested ManifoldVictor J, Super Victor
Spark Plug Starting RangePump Gas 3924 / Race Gas 3922
Intake Port Volume360cc
Exhaust Port Volume135cc
Combustion Chambers121cc
Max Spring Pocket Diameter1.75” O.D.

Basic Package Components:
Intake Valve2.30 +.250
Exhaust Valve1.880 Stock Length
Intake Valve Solid2.30 +.250
Exhaust Valve Solid1.880 +.100
Valve Locks7 Degree and 10 Degree
Guide PlatesDART 2700123-4/PC-4247
Rocker StudMust have Clearance for Valve Spring Retainers
Valve SealsViton Positive Seals
Spring CupHardened Steel Cups

Part Specification

Flo-Tek Cylinder HeadID#Part Number
BBC 360 Bare850134007488360-500
BBC 360 Hyd Roller Assembled850134007723360-6056
BBC 360 Solid Roller Assembled850134007730360-6058
BBC 360 Solid Roller PAC Assembled850134007600360-5059

Flow Chart


Dimensions & Weight

Big Block Chevy Bare31 Pounds
Big Block Chevy Assembled39.6 Pounds

Additional information

Weight 39.6 lbs
Dimensions 24.5 × 10.5 × 9 in

BBC 360 Bare (360-500), BBC 360 Hyd Roller Assembled (360-6056), BBC 360 Solid Roller Assembled (360-6058), BBC 360 Solid Roller PAC Assembled (360-5059)