PCE®

Chevy SBC 350 Cylinder Head Top End Engine Combo Kit [Hydraulic Flat Tappet]

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MPN: PCE435.1001 UPC: 840136569497
Available Extended Warranty Eligible
US $1,067.50 US $1,067.50
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Build to Order

Specs

Brand:PCE
Part Number:PCE435.1001
Part Type:Cylinder Head Combos
Product Line:Street Series
  
Camshaft Included:No
Intake Manifold Included:Yes
Fuel Delivery Style:Carbureted
Intake Material:Aluminum
Intake Finish:Natural
Carburetor Quantity:One
Intake Style:Dual plane
Intake Basic Operating RPM Range:Idle-5,500
Intake Manifold Height:4.050 in.
Intake Manifold Model (descriptive):Speedmaster - LowRise
Carburetor Flange:Square bore
Timing Chain and Gears Included:No
Lifters Included:No
Gaskets Included:Yes
Cylinder Head Style:Assembled
Cylinder Head Material:Aluminum
Cylinder Head Finish:Natural
Combustion Chamber Volume (cc):64 cc
CNC-Machined Combustion Chamber:No
Intake Runner Volume (cc):190 cc or 210 cc
CNC-Machined Intake Runner:No
CNC-Machined Exhaust Runner:No
Intake Port Shape:Square
Intake Port Location:Standard
Exhaust Port Shape:Square
Exhaust Port Location:Standard
Spark Plug Style:Angle or Straight
Comp. Valve Job:No
Intake Valves Included:Yes
Intake Valve Diameter (in):2.020 in.
Exhaust Valves Included:Yes
Exhaust Valve Diameter (in):1.600 in.
Intake Valve Angle:23 deg.
Exhaust Valve Angle:23 deg.
Valve Springs Included:Yes
Outside Diameter of Outer Spring (in):1.450 in.
Damper Spring Included:Yes
Number of Springs Per Valve:Dual
Retainers Included:Yes
Retainer Material:Chromoly steel
Locks Included:Yes
Lock Style:10 degree
Valve Stem Seals Included:Yes
Valve Stem Seal Style:Positive stop
Rocker Arms Included:Yes
Rocker Arm Studs Included:Yes
Rocker Arm Nuts Included:Yes
Rocker Arm Nut Thread Size:3/8-24 in.
Guideplates Included:Yes
Guideplate Pushrod Size:5/16 in.
Pushrods Included:No
Valve Covers Included:Yes
Valve Cover Material:Cast aluminum
Valve Cover Finish:Polished
Valve Cover Mounting Style:Perimeter bolt
Accessory Bolt Holes Drilled:Yes
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
Cylinder Head Bolts Included:No
Quantity:Sold as a kit.
Calculator:CFM Calculator
CalculatorCompression Calculator
Notes:Designed for use with hydraulic flat tappet camshafts less than .550 in. lift. Requires use of hardened pushrods. The valve and seat combination, used in these heads, is not recommended for use with a hydraulic or mechanical roller camshaft.

Description

Don't spend hours figuring out which pieces and parts you need to get what you want from your engine. PCE has already done the work for you; our Top-End engine kits will save you the time and hassle of mixing and matching components yourself. These kits are specifically designed to deliver the performance you want, at a better price than purchasing the parts separately.

Cylinder Heads Suggested Parts

Head Gaskets
The head gasket we recommend for our 23deg. heads used on 327/350/383/400 SBC engines without steam holes is Felpro #1003. On engines using the GM 400 block, or aftermarket blocks with steam holes, use PCE PCE348.1006 or Felpro #1014.

Push Rods
Our aluminum 23deg. heads typically use +.100" (longer than stock) pushrods, Depending on the components used, it is possible that you may need pushrods shorter or longer than that so we recommend that you use an adjustable pushrod to dial in your rocker geometry and order pushrods to match.

Spark Plugs
All PCE 23deg. SBC heads use standard 14mm. x 750" reach, 5/8 hex, gasket seat sparkplugs like NGK R5671A-7, Autolite 3924, Champion RC12YC, etc. Remember that higher compression/ boost require a colder heat range sparkplug.

Head Bolts / Studs
Our 23 degree heads utilize standard head bolts or studs. Our part number for head bolts is PCE279.1002, and the head studs are PCE279.1001. For the 15 degree heads, we recommend SM2451-15DEG. headstud kit with 3/8" reduced shank on the studs between intake ports. The ARP head bolt part number is 134-3601, and ARP head studs 234-4301 for the 23 degree heads. ARP also makes a head stud kit that is compatible with our 15deg. heads on cast iron blocks with part number 234-4723.

Exhaust Gaskets
We recomend the use of our Exhaust gaskets # SM5120 or Fel-Pro #1405 on our 23 degree heads. On our 15 degree heads, use SM5121 or Fel-Pro #1409.

Roller Rockers Information

PCE High Performance Aluminum Roller Rockers are extruded from 6061 T6 Aluminum. The larger needle bearing fulcrum can withstand valve spring loads up to 350lbs. Ideally suited for use with flat tappet roller cams. They feature very precise valve operation, horse power increase of 10-15, increases valve train life dramatically, acceleration is more responsive, oil temp will run approximately 5-10 degrees cooler.
 

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.


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