BRODIX Track 1 IK Series 23 Aluminum Cylinder Heads - Assembled - SB Chevy 327, 350, 400 - 200cc Intake Runners - 64cc Chamber - 2.08" Intake Valve, 1.60" Exhaust Valve - Straight Plug - 1.250" Diameter Valve Spring - Standard Exhaust Pattern H760001XL Shaft bolt holes are 1/2"

Shaft bolt holes are 1/2" diam- ALL57906 eter

Silicone Spark Plug Boots

Aluminum bracket is 1" tall and rivets to heel risers to help keep foot in place on the riser

The finest wheel studs available

Won’t mar fittings like steel wrenches

BRODIX Track 1 IK Series 23 Aluminum Cylinder Heads - Assembled - SB Chevy 327, 350, 400 - 200cc Intake Runners - 64cc Chamber - 2.08" Intake Valve, 1.60" Exhaust Valve - Straight Plug - 1.250" Diameter Valve Spring - Standard Exhaust Pattern H760001XL Shaft bolt holes are 1/2"Ideal for mild street or hobby stock racing, IK Series 23? cylinder heads combine performance and value. Available in 180 or 200cc intake port versions with 64cc or 70cc combustion chambers, aluminum heads have phosphorous bronze valve guides, straight spark plugs, ductile iron valve seats and are compatible with accessory mounting. All heads are sold in pairs. Bare heads require valve job, porting and valve train components. It remains the foremost