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Cylinder Head Volumes

IHRA STK/SS Cylinder Head Volumes
American Motors  |  Buick  |  Cadillac  |  Chevrolet  |  Ford
  Mopar  |  Mitsubishi  |  Oldsmobile  |  Pontiac

AMC

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

291

177.0

75.0

 
558-1

177.0

75.0

 
BUICK

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

148

184.0

142.0

9

148

188.0

144.0

 
149

186.0

142.0

9

149

188.0

144.0

 
293-V6

124.0

64.0

 
322

182.0

134.0

 
377

122.0

70.0

 
445-V6

124.0

  5

445

184.0

142.0

11

452

150.0

116.0

 
556

155.0

127.0

 
661

184.0

142.0

1, 9

661

188.0

144.0

 
860

180.0

135.0

21

860

184.0

137.0

9

CADILLAC

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

722

103.0

61.0

 
559

60.0

51.0

 
423

185.0

124.0

 
CHEVROLET

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

26

323.0

127.0

 
41X

165.0

65.0

 
49

255.0

119.0

 
58

241.0

86.0

 
63

256.0

114.0

 
74

308.0

122.0

 
77

302.0

122.0

 
81

167.0

64.0

 
83SB

161.0

62.0

 
83

243.0

110.0

 
113

161.0

60.0

 
128

161.0

62.0

 
147

191.0

163.0

 
186

161.0

65.0

 
188

323.0

127.0

 
215

256.0

114.0

 
236

225.0

116.0

 
241

255.0

116.0

 
245

175.0

68.0

8

258

68.0

72.0

 
280

256.0

114.0

 
290SB

142.0

59.0

 
290

175.0

62.0

22

290

256.0

114.0

 
2903

262.0

115.0

 
291

327.0

122.0

 
291SB

161.0

65.0

 
293

144.0

58.0

 
327

73.0

53.0

 
340

320.0

120.0

 
374

175.0

68.0

8

401

320.0

120.0

 
416

165.0

59.0

 
441

161.0

65.0

 
450

168.0

60.0

 
461X

172.0

64.0

 
461

161.0

62.0

 
462

161.0

65.0

 
487

161.0

65.0

 
492

161.0

62.0

 
493

161.0

65.0

 
503

69.0

51.0

 
520

140.0

60.0

 
523

120.0

55.0

 
545

165.0

65.0

 
620

123.0

58.0

 
624

161.0

62.0

 
651

117.0

58.0

 
781

256.0

114.0

 
806,853

210.0

80.0

 
813

138.0

72.0

 
820

255.0

114.0

 
840

326.0

120.0

 
842

320.0

120.0

 
858

157.0

53.0

 
882,997

160.0

60.0

 
883

118.0

85.0

 
896

140.0

60.0

 
990

323.0

127.0

 
993

159.0

64.0

 
997

161.0

65.0

 
2187

188.0

61.0

 
FORD

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

C1AE-A

144.0

104.0

 
C3AE-A,AF,F

145.0

48.0

 
C4AE

140.0

100.0

 
C4AE-6090F

193.0

125.0

4

C4OE

115.0

45.0

17

D4ZE-BG

83.0

62.0

12

C5AE

128.0

44.0

 
C5AE-B

155.0

49.0

 
C5AE-F

153.0

115.0

13

C5AE-6090F

164.0

124.0

13

C4AE6090G 150.0 108.0  
C6AE

144.0

104.0

 
C60E-M 132.0 41.0  
C8OE-F

130.0

49.0

 
C8OE-N

155.0

123.0

2

C90E-G 145.0 48.0  
D0AE-N 244.0 137.0  
D1AE-GA

244.0

137.0

 
D1ZE-DA

248.0

137.0

 
D3VE-A2A

249.0

89.0

 
D3ZE-AA

244.0

134.0

 
D3ZE-AA

248.0

137.0

9

D6EE-AA

83.0

62.0

 
D7EE-CB

83.0

62.0

 
D80E-XE

138.0

53.0

 
E5AE-CA 138.0 46.0  
E7TE 130.0 45.0  
FW5E-A

155.0

123.0

19

F1ZE-AA

145.0

55.0

23

6090B

83.0

62.0

 
SK 35369

185.0

128.0

16

MOPAR

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Head #

Intake
CCs Max


Exhaust
CCs Max


Notes

016

199.0

104.0

 
051

160.0

68.0

 
068

117.0

78.0

 
110

198.0

101.0

 
163

133.0

59.0

 
286

230.0

80.0

 
287

87.0

61.0

 
287

203.0

64.0

18

302

162.0

70.0

 
308

162.0

70.0

 
315

130.0

59.0

 
346

203.0

64.0

 
373

75.0

56.0

 
445

85.0

59.0

 
452

203.0

64.0

 
516

184.0

62.0

 
518

236.0

79.0

 
518-M

236.0

79.0

 
559

189.0

107.0

 
559-M

189.0

107.0

 
576

162.0

70.0

 
587

162.0

72.0

 
593

156.0

68.0

 
596

160.0

68.0

 
655

90.0

66.0

 
894

160.0

75.0

 
902

203.0

64.0

 
906

203.0

64.0

 
915

203.0

64.0

 
915

158.0

75.0

10

974

158.0

68.0

 
MITSUBISHI

 

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