Race-Rite RR BB-O Series Cylinder Heads with CNC  Combustion
270cc Oval Intake Ports BUY now for $2600.00 Pair  includes shipping.

***********110cc Combustion Chambers      ******IN STOCK AT OUR SHOP*****

2.250” Intake / 1.880” Exhaust Valves

• 1.550” Dia. Springs – 140# Seat Pressure
• Steel Retainers
• Assembled, 2/pkgs. These heads are assembled at Brodix Inc.,
• Cylinder Head Style: Assembled
• Cylinder Head Material: Aluminum
• Cylinder Head Finish: Natural
• Combustion Chamber Volume (cc): 119
• CNC-Machined Combustion Chamber: Yes
• Intake Runner Volume (cc): 270cc
• CNC-Machined Intake Runner: No
• CNC-Machined Exhaust Runner: No
• Intake Port Shape: Oval
• Intake Port Location: Standard
• Exhaust Port Shape: Round
• Exhaust Port Location: Standard
• Intake Valves Included: Yes
• Intake Valve Diameter (in): 2.250 in.
• Exhaust Valves Included: Yes
• Exhaust Valve Diameter (in): 1.880 in.
• Valve Springs Included: Yes
• Maximum Valve Lift (in): 0.600 in.
• Outside Diameter of Outer Spring (in): 1.550″ -VS529V
• Damper Spring Included: Yes
• Number of Springs Per Valve: Dual
• Retainers Included: Yes
• Retainer Material: Steel
• Locks Included: Yes
• Lock Style: 10 degree
• Valve Stem Seals Included: Yes
• Rocker Arm Studs Included: Yes
• Rocker Arm Nut Thread Size: 7/16-20 in.
• Rocker Arms Included: No
• Rocker Arm Nuts Included: No
• Guide plates Included: Yes
• Guide plate Pushrod Size: 3/8 in.
• Valve Cover Mounting Style: Perimeter bolt
• Accessory Bolt Holes Drilled: Yes
• Intake Valve Angle: 26
• Exhaust Valve Angle: 26
• Valve Guides Included: Yes
• Valve Guide Material: Phosphorous bronze
• Valve Seats Machined: Yes
• Valve Seat Machine Style: 3-angle
• Valve Seat Material: Ductile iron
• Steam Holes Drilled: No
• Oiling Style: Through pushrod
• Machined for O-Ring: No
• Heat Crossover: No
• Quantity: Sold as 2.

Notes: Race-Rite cylinder heads include intake valve stem seals only.

BUY NOW; IN STOCK…READY TO SHIP   FREE SHIPPING