Air Flow Research AFR1050 Eliminator Heads 75cc Chamber Chev SB

AFR ELIMINATOR HEADS 75CC CHAMBER CHEV SB AFR1050These reasonably priced AFR 210cc SBC Eliminator Racing Heads are available in two stages of performance. The Race Ready version features 100 percent CNC-ported intakes and 100 percent CNC-ported intakes with greater detail. Comes with 100 percent CNC-ported combustion chambers and 80cc exhaust ports with a 3/4 in. thick head deck (ideal for nitrous or blower applications). Standard valves are lightweight 8mm, 2.080 in. intakes and 1.600 in. exhausts with AFR's hardened ductile iron interlocking valve seats. The exceptional flow characteristics, 23 degree valve angle, and standard valve spacing make these the perfect heads for 350 to 400 c.i.d. engines in bracket drag cars, sportsman oval trackers, and highly modified street-class cars operating between 3,000 and 7,500 rpm (higher rpm ranges are possible, depending on the combination of parts).The 210cc aluminum cylinder heads are available for either standard or spread port exhausts.Specs:Application: Chev Small Block 302-327-350-400 C.I.D

Cylinder Head Style	Assembled
Cylinder Head Material	Aluminum
Cylinder Head Finish	Natural
Combustion Chamber Volume (cc)	75
CNC-Machined Combustion Chamber	Yes
Intake Runner Volume (cc)	210cc
Exhaust Runner Volume (cc)	80cc
CNC-Machined Intake Runner	Yes
CNC-Machined Exhaust Runner	Yes
Combustion Chamber Style	Heart
Intake Port Shape	Rectangular
Intake Port Location	Standard
Exhaust Port Shape	Square
Exhaust Port Location	Raised
Spark Plug Style	Angle
Intake Valves Included	Yes
Intake Valve Diameter (in)	2.080 in.
Exhaust Valves Included	Yes
Exhaust Valve Diameter (in)	1.600 in.
Valve Springs Included	Yes
Maximum Valve Lift (in)	0.710 in.
Outside Diameter of Outer Spring (in)	1.550 in.
Damper Spring Included	Yes
Number of Springs Per Valve	Dual
Retainers Included	Yes
Retainer Material	Chromemoly steel
Locks Included	Yes
Lock Style	10 degree
Valve Stem Seals Included	Yes
Valve Stem Seal Style	Viton®
Rocker Arm Studs Included	Yes
Rocker Arm Nut Thread Size	7/16-20 in.
Rocker Arms Included	No
Rocker Arm Nuts Included	No
Guideplates Included	Yes
Guideplate Pushrod Size	5/16 in.
Valve Cover Mounting Style	Center and perimeter bolt
Accessory Bolt Holes Drilled	Yes
Intake Valve Angle	23
Exhaust Valve Angle	23
Valve Guides Included	Yes
Valve Guide Material	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 a pair.
Notes	These cylinder heads are a L98 based geometry. Not compatible with self-aligning rocker arms. Exhaust port is raised 0.250 in. over stock and are race ported. 400 C.I.D Requires drilling steam holes into head.