PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads 92282

Name: PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads
Brand: PROMAXX Performance
SKU: PMX-92282
Price: 2408.00 USD
Rating: 0 (0 reviews)

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Part Number: PMX-92282

$2,408.00

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads

SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 72CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT
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PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads 92282

PMX-92282

Not Yet Reviewed

Part Number: PMX-92282

Estimated Ship Date: Nov 3, 2026

$2,408.00

Overview

Applications

Recommended Parts

Q&A

Instructions & Calculators

Estimated Ship Date: Nov 3, 2026 Would you rather pick it up?

Overview

Brand:

PROMAXX Performance

Manufacturer's Part Number:

92282

Part Type:

Cylinder Heads

Product Line:

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads

Summit Racing Part Number:

PMX-92282

Combustion Chamber Volume (cc):

Intake Runner Volume (cc):

225cc

Exhaust Runner Volume (cc):

72cc

Cylinder Head Style:

Assembled

Cylinder Head Material:

Cast aluminum

Camshaft Style:

Solid roller

Intake Port Shape:

Rectangular

Intake Valve Diameter (in.):

2.080 in.

CNC-Machined Combustion Chamber:

Yes

CNC-Machined Intake Runner:

Yes

CNC-Machined Exhaust Runner:

Yes

Intake Port Location:

Standard

Exhaust Port Shape:

D-port

Exhaust Port Location:

Standard

Spark Plug Style:

Straight

Intake Valves Included:

Yes

Exhaust Valves Included:

Yes

Exhaust Valve Diameter (in.):

1.600 in.

Valve Springs Included:

Yes

Maximum Valve Lift (in.):

0.700 in.

Damper Spring Included:

Yes

Retainers Included:

Yes

Retainer Material:

Titanium

Locks Included:

Yes

Valve Stem Seals Included:

Yes

Valve Stem Seal Style:

Positive stop

Rocker Arm Studs Included:

Yes

Rocker Arm Nut Thread Size:

3/8 in.-24

Rocker Arms Included:

Rocker Arm Nuts Included:

Guideplates Included:

Yes

Guideplate Pushrod Size:

5/16 in.

Valve Cover Mounting Style:

Perimeter bolt

Accessory Bolt Holes Drilled:

Yes

Intake Valve Angle:

Exhaust Valve Angle:

Valve Guides Included:

Yes

Valve Guide Material:

Manganese bronze

Valve Seats Machined:

Yes

Valve Seat Machine Style:

5-angle

Valve Seat Material:

Steel

Cylinder Head Color:

Natural

Finish:

Natural

Steam Holes Drilled:

Oiling Style:

Through pushrod

Machined for O-Ring:

Heat Crossover:

Remanufactured:

Quantity:

Sold as a pair.

PROMAXX Performance Shocker Series Small Block Chevy Cylinder Heads

PROMAXX Performance Shocker Series small block Chevy cylinder heads are as good as it gets for 23-degree performance heads. They feature ultra-smooth 356-T56 aluminum casting, and professionally designed runners and chambers that are meticulously CNC-ported. These heads flow over 325 cfm to easily support 725-plus horsepower. Shock the competition without breaking the bank by ordering a pair of PROMAXX Performance Shocker Series small block Chevy cylinder heads. They're available assembled and bare. Order the model with options recommended for your year/make and engine application.

Features, items, and specs:

* 225cc fully-ported intake runners
* 5-angle valve job
* Angle or straight plug
* Diamond-honed guides
* Large spring pockets
* Multiple spring options
* Assemblies include 21-4N one-piece swirl-polished back-cut valves, studs, and guide plates