Cylinder Heads Complete Performer & RPM for Buick Cylinder Heads Complete Performer & RPM for Buick

Part #: 60049
List Price: $2,949.90
Our Price: $1,519.50
You Save: $1,430.40

Description
Specifications

Buick Performer RPM 400, 430 and 455 c.i.d., Aluminum, Cylinder Head, Assembled, 68cc Chamber, 215cc Intake Runner, Buick, 400/430/455, V8

Performer RPM Buick
Designed for 400, 430 and 455 c.i.d. Buick engines
2.125" intake and 1.75" exhaust valves
68cc combustion chambers produce 9.2:1 compression ratio with stock pistons
Accepts widely available small-block Chevy adjustable rockers
High flow 130cc exhaust ports

Specifications
Combustion Chamber	68cc
Intake Runner Volume	215cc
Exhaust Runner Volume	130cc
Intake Valve	2.125-inch
Exhaust Valve	1.750-inch
Deck Thickness	5/8-inch
Valve Spring	1.550-inch O.D. Up to .600" lift
Rocker Stud / Guideplate	3/8" / Hardened Steel
Sparkplug	14mm x 3/4", gasket seat

Flow Data tested @ 28" H20 (rated in CFM)

Valve Lift	.100"	.200"	.300"	.400"	.500"	.600"
Intake	68	127	190	241	274	273
Exhaust	58	108	150	173	173	190

Performance Results
Peak HP:	481 @ 5500 RPM
Peak Torque:	541 @ 4000 RPM
CID:	462 (+.030 455cid)
Bore x Stroke:	4.342" x 3.900"
Compression Ratio:	9.5:1
Camshaft:
Lift:	.500" / .500"
Duration @ .050:	242° / 250°

Engine RPM	Corrected HP	Corr. Torque
2500	221.7	465.7
3000	271.0	474.4
3500	327.2	491.0
4000	412.3	541.3
4500	446.9	521.6
5000	464.9	488.3
5500	481.2	459.5
6000	459.3	402.0

These street high-performance cylinder heads offer out of the box, bolt-on performance with no additional porting required. All Edelbrock Performer & RPM cylinder heads for Buick's are assembled with these high-quality components: Stainless steel,one-piece swirl-polished intake and exhaust valves with under-cut stems; 2-ring positive oil control seals; rocker studs; hardened steel guide plates; valve springs, retainers and keepers.

Edelbrock Performer cylinder heads for Buick's have provisions for all exhaust emissions related components and are street legal, while the Edelbrock Performer RPM cylinder heads for Buick's are for non-emission vehicles. Edelbrock Performer & RPM cylinder heads for Buick's are the centerpiece of the Edelbrock Total Power Package.

Please Match Performer heads with Performer intakes and Performer RPM heads with Performer RPM manifolds for an outstanding performance combination. Edelbrock carburetors and camshafts complete the “no guesswork” Power Package.

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Accessory Bolt Holes Drilled	Yes
Brand	Edelbrock
CNC-Machined Combustion Chamber	No
CNC-Machined Exhaust Runner	No
CNC-Machined Intake Runner	No
Combustion Chamber Volume (cc)	68
Cylinder Head Finish	Natural
Cylinder Head Material	Aluminum
Cylinder Head Style	Assembled
Damper Spring Included	No
Exhaust Port Location	Standard
Exhaust Port Shape	Rectangular
Exhaust Runner Volume (cc)	130cc
Exhaust Valve Diameter (in)	1.740 in.
Exhaust Valves Included	Yes
Guideplate Pushrod Size	3/8 in.
Guideplates Included	Yes
Heat Crossover	No
Intake Port Location	Standard
Intake Runner Volume (cc)	215cc
Intake Valve Diameter (in)	2.125 in.
Intake Valves Included	Yes
Lock Style	10 degree
Locks Included	Yes
Machined for O-Ring	No
Maximum Valve Lift (in)	0.575 in.
Number of Springs Per Valve	Dual
Oiling Style	Through pushrod
Outside Diameter of Outer Spring (in)	1.550 in.
Part Type	Cylinder Heads
Product Line	Edelbrock Performer RPM Cylinder Heads
Quantity	Sold individually.
Retainer Material	Steel
Retainers Included	Yes
Rocker Arm Nut Thread Size	7/16-20 in.
Rocker Arm Nuts Included	No
Rocker Arm Studs Included	Yes
Rocker Arms Included	No
Steam Holes Drilled	No
Valve Cover Mounting Style	Perimeter bolt
Valve Guide Material	Manganese bronze
Valve Guides Included	Yes
Valve Seat Machine Style	3-angle
Valve Seat Material	Ductile iron
Valve Seats Machined	Yes
Valve Springs Included	Yes
Valve Stem Seal Set Included	Yes
Valve Stem Seal Style	PC seal