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Jesse James Big Block Series 26°

Jesse James Big Block Series 26°

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Your Price: $2,650.88

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Intake Port Volume
Valve Springs

The Blitzkrieg series of heads will take the big block street/strip market to a new level. BRODIX and Jesse James have come together to create the JJ 294 and the JJ 270. These heads offer unique features such as a black hard-anodized finish and custom Jesse James™ embossed logos. Standard features include a 294 cc or 270 cc intake port size, A-356 virgin aluminum, bulletproof rocker stands, and ends milled and drilled for accessories.

  • +90 HP!
  • Bulletproof Rocker Stands
  • Exhaust ports in stock location
  • Air Conditioner Bracket holes
  • Completely machined valve cover rail
  • Ductile iron valve seats for use with unleaded fuel
  • High torque intake ports
  • A-356 Virgin Aluminum
  • The price in the shopping cart refects a pair of assembled cylinder heads
Cylinder Head Specifications

 

Intake Port

Chamber Volume

Valve Sizes Intake/Exhaust

Exhaust
Pattern

Valve
Centerline

Intake Manifold

JJ 294

294 cc

119 cc

2.250/1.880

Standard

Standard

HV 2000/HV 2001/
HV 2016

JJ 270

270 cc

119 cc

2.250/1.880

Standard

Standard

Edelbrock #7561
HV 2007/HV 2008

 

Cylinder Head Recommendations

 

Cubic Inch

Compression

Camshaft

RPM

Application

JJ 294

396 - 502

9.1 Minimum

Hydraulic/ Hydraulic Roller

2000-6500

Pro Street/
Drag Race

JJ 270

396 - 502

9.1 Minimum

Hydraulic/ Hydraulic Roller

2000-6500

Pro Street/
Drag Race

 

Flow Chart cfm@28" H20

 

Valve Size

0.200

0.300

0.400

0.500

0.600

0.650

0.700

JJ 294

2.250 Intake

160

226

276

314

337

341

342

1.880 Exhaust

116

145

172

196

217

230

236

JJ 270

2.250 Intake

159

223

270

314

334

336

340

1.880 Exhaust

116

145

172

196

217

230

236



• PS CB:
Valve Bowls Blended

• PS MI:
Match Intake Port to FP 1211 (JJ 294)
Match Intake Port to FP 1210 (JJ 270)

• PS Valve Job:
Competition Valve Job

• Intake Valves:
2.250 x 5.218 o.a.l. - BR 81040
2.190 x 5.230 o.a.l. - BR 70019

• Exhaust Valves:
1.880 x 5.394 o.a.l. - BR 81038

• Valve Springs:
1.550 Hydraulic Roller Valve Spring - BT 120121,
140 lb Closed, 400 lb Open,
1.950 Installed Height,
.600 Maximum Lift
1.550 Roller Valve Spring - GA 1000,
240 lb Closed, 550 lb Open,
1.950 Installed Height,
.700 Maximum Lift

• Retainers:
1.550 10° Steel - CC 752

• Valve Locks:
10° Jumbo - CC 611

• Rocker Studs:
7/16 - BR 716L, AR RRS-4I

• Guide Plates:
3/8 - CC 4806

• Valve Seals:
11/32 - US VS529V

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