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

Part #: 60049
List Price: $2,145.60
Our Price: $1,072.80
You Save: $1,072.80

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

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
    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