PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads 9212

Name: PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads
Brand: PROMAXX Performance
SKU: PMX-9212
Price: 2433.00 USD
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Part Number: PMX-9212

$2,433.00

PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads

Cylinder Heads, Shocker Series, Solid Roller, Assembled, Aluminum, 210cc Intake Runner, Ford, Small Block, Pair
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PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads 9212

PMX-9212

Not Yet Reviewed

Part Number: PMX-9212

Estimated Ship Date: Nov 3, 2026

$2,433.00

Overview

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Q&A

Instructions & Calculators

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

Overview

Brand:

PROMAXX Performance

Manufacturer's Part Number:

9212

Part Type:

Cylinder Heads

Product Line:

PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads

Summit Racing Part Number:

PMX-9212

Combustion Chamber Volume (cc):

Intake Runner Volume (cc):

210cc

Exhaust Runner Volume (cc):

70cc

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:

Square

Exhaust Port Location:

Standard

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

Number of Springs Per Valve:

Dual

Retainers Included:

Yes

Retainer Material:

Steel

Locks Included:

Yes

Valve Stem Seals Included:

Yes

Rocker Arm Studs Included:

Yes

Rocker Arms Included:

Rocker Arm Nuts Included:

Guideplates Included:

Yes

Valve Cover Mounting Style:

Perimeter bolt

Accessory Bolt Holes Drilled:

Yes

Valve Guides Included:

Yes

Valve Guide Material:

Manganese bronze intake/Phosphorous bronze exhaust

Valve Seats Machined:

Yes

Valve Seat Machine Style:

5-angle

Valve Seat Material:

Steel

Cylinder Head Color:

Natural

Steam Holes Drilled:

Machined for O-Ring:

Heat Crossover:

Remanufactured:

Quantity:

Sold as a pair.

PROMAXX Performance Shocker Series Small Block Ford Cylinder Heads

PROMAXX Performance Shocker Series small block Ford cylinder heads are as good as it gets for 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 328 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 Ford cylinder heads. They are available assembled and bare.

Features, items, and specs:

* 210cc fully CNC-ported intake runners
* 5-angle valve job
* Diamond-honed bronze guides
* Large spring pockets
* Multiple spring options
* Assemblies include 21-4N stainless one-piece, swirl-polished, back-cut valves, studs, and guide plates