Accessory Bolt Holes Drilled	Yes
CNC-Machined Combustion Chamber	No
CNC-Machined Exhaust Runner	No
CNC-Machined Intake Runner	No
Combustion Chamber Style	Heart
Combustion Chamber Volume (cc)	64
Cylinder Head Finish	Natural
Cylinder Head Material	Aluminum
Cylinder Head Style	Assembled
Damper Spring Included	No
Exhaust Port Location	Standard
Exhaust Port Shape	Square
Exhaust Runner Volume (cc)	75cc
Exhaust Valve Angle	23
Exhaust Valve Diameter (in)	1.600 in.
Exhaust Valves Included	Yes
Guideplate Pushrod Size	5/16 in.
Guideplates Included	Yes
Heat Crossover	No
Intake Port Location	Standard
Intake Runner Volume (cc)	215cc
Intake Valve Angle	23
Intake Valve Diameter (in)	2.050 in.
Intake Valves Included	Yes
Lock Style	10 degree
Locks Included	Yes
Machined for O-Ring	No
Maximum Valve Lift (in)	0.620 in.
Number of Springs Per Valve	Dual
Oiling Style	Through pushrod
Outside Diameter of Outer Spring (in)	1.437 in.
Quantity	Sold individually.
Retainer Material	Steel
Retainers Included	Yes
Rocker Arm Nut Thread Size	3/8-24 in.
Rocker Arm Nuts Included	No
Rocker Arm Studs Included	Yes
Rocker Arms Included	No
Spark Plug Style	Straight
Steam Holes Drilled	No
Valve Cover Mounting Style	Center and perimeter bolt
Valve Guide Material	Manganese bronze
Valve Guides Included	Yes
Valve Seat Machine Style	4-angle intake/3-angle exhaust

Summit Racing Part Number: DRT-11521122P

Fitment

• Please see the "Compatibility" link at the top of the listing. Fitment information may not be available for all products and those without fitment will not have a Compatibility link.  

• IMPORTANT - Please be sure to view the "Notes" option for more details if it is available.

Shipping

• Please see the "Shipping and Payment" tab or the top of the listing for shipping costs.
  
• We ship within 1 business day(s).
• We do not ship to APO/FPO or Post Office box addresses on eBay.
• We use UPS and Fedex for most orders.  We are unable to guarantee a specific carrier.
• In-stock items can ship from three locations - Georgia, Nevada or Ohio. To avoid delays, we ship the order from your nearest stocking warehouse. This means orders may arrive in multiple boxes or at different times.
• We do not ship to Alaska, Hawaii, Puerto Rico or Guam on eBay.
• We are unable to accept Summit Racing Gift Certificates or Summit Bucks on eBay.

Payment

• We accept PayPal only on eBay.  We do not accept PayPal E-Checks.
• PayPal Immediate Payment is required on all listings - please use the eBay cart for multiple purchases
• All orders ship with an itemized invoice. We are unable to send an order without an invoice.
  
• We do charge sales tax in Ohio (6.75%), Nevada (7.725%) and Georgia (7%). State taxes will be calculated at checkout.

Returns

• We offer a 90-day Handshake Guarantee.  Please see our "About Me" page for more details about our Return Policy.
• Buyer pays return shipping.

Customer Support

• Our customer support is available 24/7. Please contact us at 1-800-230-3030 if you need assistance.