Brodix BR 3™ Series LS3 Compatible Series Cylinder Heads/15° (sold as a pair)
$1,740.66 – $4,006.61
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Add to wishlistBRODIX delivers the industry’s most durable replacement for the LS3 style cylinder heads with the introduction of the BR 3 series. The BP BR 3 is a 100% CNC ported head that features a 280 cc intake port that flows over 363 cfm. The BR 3 is the unported version designed for outstanding “out-of-the-box” performance. Both heads utilize a 15° valve angle, a 71 cc combustion chamber, and a 2.165 / 1.590 valve combination, and accept all standard LS3 components. The BR 3 series shares all of the legendary BRODIX features including easily repairable A-356 virgin aluminum alloy and the strongest deck surface in the industry.
• 15° Valve Angle
• 2.165 / 1.590 Valve Sizes
• Out-of-the-Box Horsepower
• 71 cc Combustion Chambers
• LS3 Compatible
• Uses Existing LS3 Rockers
• 100% CNC Ported
• 280 cc Intake Ports
• Flows Over 360 cfm
• 15° Valve Angle
• LS3 Compatible
• Uses All Standard LS3 Components
Free shipping for orders over $750.00!
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BRODIX delivers the industry’s most durable replacement for the LS3 style cylinder heads with the introduction of the BR 3 series. The BP BR 3 is a 100% CNC ported head that features a 280 cc intake port that flows over 363 cfm. The BR 3 is the unported version designed for outstanding “out-of-the-box” performance. Both heads utilize a 15° valve angle, a 71 cc combustion chamber, and a 2.165 / 1.590 valve combination, and accept all standard LS3 components. The BR 3 series shares all of the legendary BRODIX features including easily repairable A-356 virgin aluminum alloy and the strongest deck surface in the industry.
Package Heads |
Facts and Related Components |
| • PS CB: Valve Bowls Blended• PS MI: Match Intake Ports to FEL-PRO 1223-3• PS Valve Job: Competition Valve Job• Intake Valves: 2.165 x 4.900 o.a.l. x 8 mm Stem, Beadlock – MA 11686• Exhaust Valves: 1.590 x 4.923 o.a.l. x 8 mm Stem, Beadlock -MA 11661• Valve Springs: 1.350 Hydraulic Roller Valve Spring – MA 221435, 180 lb Closed, 435 lb Open, 1.850 Installed Height, .700 Maximum Lift• ID Locators: MANLEY 42135 • Retainers: • Valve Locks: • Rocker Studs: • Guide Plates: • Valve Seals: |
• Torque Heads: 11 mm Studs – 85 ft-lb With Oil 8 mm Studs – 26 ft-lb With Oil• Torque Rocker Studs: 22 ft-lb• Intake Gaskets: FEL-PRO 1223-3• Head Gaskets: GM 19170418• Exhaust Gaskets: FEL-PRO MS 92467• Head Studs: ARP 234-4319 (6 pt) for L92 / LS3 Blocks• Accessory Bolt Holes Are Drilled • Spark Plug Starting Points: • Spring Pockets: • Valve Angle: • Flat Milling: •Dowel Shift: • Pushrod Slots: • Pistons: • Rocker Arms: • Lifters: • Pushrods: • Valve Centerline: • Intake Manifold: |
Flow Chart cfm @ 28″ H20
| Part Number | Valve Size |
0.200 |
0.300 |
0.400 |
0.500 |
0.600 |
0.650 |
7.000 |
|---|---|---|---|---|---|---|---|---|
| BR 3 | 2.165 Intake | 150 | 213 | 266 | 316 | 342 | 345 | 348 |
| 1.590 Exhaust | 93 | 142 | 171 | 187 | 200 | 203 | 206 | |
| BP BR 3 (CNC Ported) |
2.165 Intake | 146 | 213 | 268 | 318 | 347 | 357 | 364 |
| 1.590 Exhaust | 100 | 146 | 183 | 209 | 226 | 229 | 234 |
| CNC | Yes, No |
|---|---|
| Assembled | Yes, No Bare |
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Brodix BR 3™ Series LS3 Compatible Series Cylinder Heads/15° (sold as a pair)
BRODIX delivers the industry’s most durable replacement for the LS3 style cylinder heads with the introduction of the BR 3 series. The BP BR 3 is a 100% CNC ported head that features a 280 cc intake port that flows over 363 cfm. The BR 3 is the unported version designed for outstanding “out-of-the-box” performance. Both heads utilize a 15° valve angle, a 71 cc combustion chamber, and a 2.165 / 1.590 valve combination, and accept all standard LS3 components. The BR 3 series shares all of the legendary BRODIX features including easily repairable A-356 virgin aluminum alloy and the strongest deck surface in the industry.
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