315cc AS-CAST
3.50in² MIN
120cc chamber
1275 gasket
2.250/2.300 intake w/30º BC
1.880 exhaust
45º seats
315cc on 4.310 Fixture
            2.300/2.250
.200  153/145
.300  221/215
.400  273/272
.500  325/318
.600  364/350
.700  376/363
.800  378/365
​
NOTES
Powder Metal Seats
Bronze Guides
Introducing the ALL-NEW, Exceptional Steel Cast Big Block Chevy 290cc or 315 cc head from FLO-TEK! With a beautiful Polycrystalline Diamond Cut Finish, and cast from a permanent steel mold, this makes the FLO-TEK Cylinder Head an easy choice! Unbeatable design, superb performance and exceptional pricing accomplish everything for the street or strip enthusiast!  The factory 2.250 valve job is very nice and can be ran out of the box.

505 BBC. 315cc FloTec heads. Throats sized and SSR polished, 2.300/1.880 valves, 13.7-1, Ported Sniper JR, 268 cam, under .700 lift, 1050 QF carb 743@5300 and 851@7300
catalog_january_23_2018.pdf
File Size: 7787 kb
File Type: pdf
Download File
Flo-Tek Big Block Cylinder Heads
  • BBC AS-CAST 320cc or 360cc Bare wFACTORY 2.250 Valve Job. 133cc $895
  • BBC AS-CAST 290cc or 315cc Bare wFACTORY 2.250 Valve Job. 121cc $1095
  • BBC AS-CAST 320cc or 360cc Bare w/SRH 2.300 Valve Job. 133cc $1195
  • BBC AS-CAST 290cc or 315cc Bare w/SRH 2.300 Valve Job. 121cc $1395
  • BBC AS-CAST 320cc or 360cc w/SRH/SRH HYD Kit* 133cc $1495
  • BBC AS-CAST 290cc or 315cc w/SRH/SRH HYD Kit* 121cc $1695
  • BBC AS-CAST 320cc or 360cc w/SRH/SRH Roller Kit** 133cc $1795
  • BBC AS-CAST 290cc or 315cc w/SRH/SRH Roller Kit** 121cc $1995
  • SRH Proprietary Blended Valve Job, SRH Detailed, and SRH Quality
  • 290/315cc BBC Exhaust Port location is raised .360
  • 320/360cc BBC Exhaust Port location is raised .500
  • 290/315cc BBC cast from a permanent steel mold

*SRH BBC HYD Valve Train Kits include USA Parts!
SRH .650 lift 1.460 HYD Valve Springs, SRH Competition Valves, USA 7º steel retainers, USA 7º machined locks, USA spring locators, USA studs, USA guide plates, USA viton seals.
  • add $125 for PAC HYD springs

**SRH BBC Roller Valve Train Kits include USA Parts!
SRH .800 lift 1.625 Roller Valve Springs, SRH Competition Valves, USA 10º Titanium retainers, USA 10º machined locks, USA spring locators, USA studs, USA guide plates, USA viton seals.  
  •  add $125 for Manley .900 lift springs.
  •  add $200 for Manley .900 lift triple springs.
  •  add $125 for K-Motion K1000H valve springs.
​