Brodix STS BR7 273 cylinder heads step forward with an innovative design and precision manufacturing. They offer quality workmanship, 72cc combustion chambers, blended bowls, matched intake ports, a 12 degree valve angle, and 100 percent LS compatibility! And, of course, Brodix BR Series heads feature their easily repairable A-356 virgin aluminum alloy and the strongest deck surface in the business. Assembled with Manley 221435 .700" lift springs.
• Flows Over 415 cfm
• 2.250 / 1.614 Valve Sizes
• 50° Valve Job (Intake)
• 45° Valve Job (Exhaust)
• 273 cc Intake Port
• Uses Standard LS7 Components
• 12° Valve Angle
Flow Chart cfm @ 28″ H20
| Part Number | Valve Size | 0.200 | 0.300 | 0.400 | 0.500 | 0.600 | 0.650 | 7.000 | 8.000 | 9.000 |
| STS BR 7 273 | 2.250 Intake 50° | 147 | 233 | 286 | 344 | 381 | 409 | 416 | ||
| 1.614 Exhaust 45° | 116 | 169 | 208 | 224 | 233 | 235 | 240 | |
