You have spoken and we have listened..these small block Chevy compatible heads offer the only two things that matter… performance and price!
The features for the IK® 180 / 200 include a revolutionary ultra casting, versatile 180 cc or 200 cc intake ports that are specifically designed for optimum versatility, and 64 cc or 70 cc combustion chambers that allow the use of several types of fuels.
The all new 100% CNC ported “Wild Thing™” (BP IK 210) bridges the gap between our Pro Street heads and our complete line of race heads. These heads feature 210 cc intake ports and flow 287 cfm while utilizing all standard components.
Standard features are A-356 virgin aluminum alloy, phosphorous bronze valve guides, valve seats for use with unleaded fuel, ends milled and drilled for accessories, and a straight spark plug angle.
The combustion chambers are available as large as 74 cc. These are the most affordable high quality aluminum cylinder heads on the market.

• Standard Valve Cover Pattern
• 64 cc / 70 cc Combustion Chambers
• Straight Spark Plugs
• Ends Milled and Drilled for Accessories
• Ductile Iron Valve Seats for Use With Unleaded Fuel
• CNC Ported Combustion Chambers Available as Large as 75 cc
Valve Bowls Blended
Match Intake Port to FP 1204 (IK 180)
Match Intake Port to FP 1206 (IK 200, IK 215)
Match Intake Port to FP 1205 (BP IK 210)
Competition Valve Job
2.020 x 4.920 o.a.l. – BR 6170DI (IK 180, IK 200)
2.080 x 4.965 o.a.l. – BR 81019 (IK 215, BP IK 210)
1.600 x 4.920 o.a.l. – BR 6169DI (IK 180, IK 200)
1.600 x 4.965 o.a.l. – BR 81021 (IK 215, BP IK 210)
1.250 Hydraulic Valve Spring – CC 981,
100 lb Closed, 300 lb Open,
1.850 Installed Height,
.525 Maximum Lift
(IK 180, IK 200)
1.470 Hydraulic Roller Valve Spring – CC 987,
125 lb Closed, 325 lb Open,
1.900 Installed Height,
.575 Maximum Lift
(IK 180, IK 200)
1.550 Flat Tappet Valve Spring – BT 120121,
150 lb Closed, 365 lb Open,
1.950 Installed Height,
.600 Maximum Lift
(IK 215, BP IK 210)
1.550 Roller Valve Spring – PAC 1941,
255 lb Closed, 610 lb Open,
1.950 Installed Height,
.700 Maximum Lift
(IK 215, BP IK 210)
1.250 7° Steel – CC 742 (IK 180, IK 200)
1.430 7° Steel – CC 743 (IK 180, IK 200)
1.550 10° Steel – CC 752 (IK 215, BP IK 210)
7° – PI PF – 555 (IK 180, IK 200)
10° – Jumbo – CC 611 (IK 215, BP IK 210)
3/8 – BR 318S (IK 180, IK 200)
7/16 – BR 716L, AR RSS-4I (IK 215, BP IK 210)
5/16 – CC 4808
11/32 – US VS529V
70 ft-lb
40-45 ft-lb
FEL-PRO 1204, COMETIC C5416 (IK 180)
FEL-PRO 1206, COMETIC C5414 (IK 200, IK 215)
FEL-PRO 1205 (BP IK 210)
FEL-PRO 1404, COMETIC C5415
(IK 180, IK 200)
FEL-PRO 1406, COMETIC C5415
(IK 215, BP IK 210)
ARP 134-4001 (6pt)
CHAMPION RN12YC or AUTOLITE 3924
for Pump Gas
NGK R5671A-8
for Racing Gas
DBP 2.131 5/16
DBP 1.650 3/8
SMG 545 11/32 CM
May Not be Cut Any Larger
or Deeper Than 1.550
23°
.0060 in per cc
Not Available
Standard
Standard
Standard
Standard
HP-1 / HV 1016 (IK 180)
HV 1014 / HV 1016 (IK 200, IK 210)

