MAXX 225 SBC
(Sold in Pairs)

$864.00 – $1,540.00

The Maxx 225cc SBC head is our largest “as cast” head in our line up, flowing close to 300 cfm @ .700″ lift. This head will support big power at a price that can’t be beat.

Spring Options

Combustion Chamber Size

Plug Option

Valve Option

Clear

Upgrade Rocker Arm Studs to a 7/16″

This option is NOT available w/ bare heads

Yes (+$20.00)

Part Number: N/A Categories: MAXX SERIES, SBC

Ultra-smooth 356-T6 aluminum casting
Multi angle valve job
Precision CNC machining
Angle or straight plug options
64 or 72cc chambers
Professional assembly
Assemblies include: 21-4N 1pc swirl polished back cut valves
Machined and Assembled in USA

2109	225 Maxx SBC Bare	Straight	64	2.02/1.6
2111	225 Maxx SBC Bare	Straight	72	2.02/1.6
2113	225 Maxx SBC Bare	Straight	64	2.08/1.6
2115	225 Maxx SBC Bare	Straight	72	2.08/1.6
2117	225 Maxx SBC Assy	Straight	64	2.02/1.6	.575 Hyd Flat Tappet
2117HR	225 Maxx SBC Assy Hyd Roller	Straight	64	2.02/1.6	.600 Hyd Roller
2117SR	225 Maxx SBC Assy Solid Roller	Straight	64	2.02/1.6	.700 Solid Roller
2117SRT	225 Maxx SBC Assy Solid Roller TI Retainers	Straight	64	2.02/1.6	.700 Solid Roller Ti Retainers
2119	225 Maxx SBC Assy	Straight	72	2.02/1.6	.575 Hyd Flat Tappet
2119HR	225 Maxx SBC Assy Hyd Roller	Straight	72	2.02/1.6	.600 Hyd Roller
2119SR	225 Maxx SBC Assy Solid Roller	Straight	72	2.02/1.6	.700 Solid Roller
2119SRT	225 Maxx SBC Assy Solid Roller TI Retainers	Straight	72	2.02/1.6	.700 Solid Roller Ti Retainers
2121	225 Maxx SBC Assy	Straight	64	2.08/1.6	.575 Hyd Flat Tappet
2121HR	225 Maxx SBC Assy Hyd Roller	Straight	64	2.08/1.6	.600 Hyd Roller
2121SR	225 Maxx SBC Assy Solid Roller	Straight	64	2.08/1.6	.700 Solid Roller
2121SRT	225 Maxx SBC Assy Solid Roller TI Retainers	Straight	64	2.08/1.6	.700 Solid Roller Ti Retainers
2123	225 Maxx SBC Assy	Straight	72	2.08/1.6	.575 Hyd Flat Tappet
2123HR	225 Maxx SBC Assy Hyd Roller	Straight	72	2.08/1.6	.600 Hyd Roller
2123SR	225 Maxx SBC Assy Solid Roller	Straight	72	2.08/1.6	.700 Solid Roller
2123SRT	225 Maxx SBC Assy Solid Roller TI Retainers	Straight	72	2.08/1.6	.700 Solid Roller Ti Retainers
2108	225 Maxx SBC Bare	Angle	64	2.02/1.6
2110	225 Maxx SBC Bare	Angle	72	2.02/1.6
2112	225 Maxx SBC Bare	Angle	64	2.08/1.6
2114	225 Maxx SBC Bare	Angle	72	2.08/1.6
2116	225 Maxx SBC Assy	Angle	64	2.02/1.6	.575 Hyd Flat Tappet
2116HR	225 Maxx SBC Assy Hyd Roller	Angle	64	2.02/1.6	.600 Hyd Roller
2116SR	225 Maxx SBC Assy Solid Roller	Angle	64	2.02/1.6	.700 Solid Roller
2116SRT	225 Maxx SBC Assy Solid Roller Ti Retainers	Angle	64	2.02/1.6	.700 Solid Roller Ti Retainers
2118	225 Maxx SBC Assy	Angle	72	2.02/1.6	.575 Hyd Flat Tappet
2118HR	225 Maxx SBC Assy Hyd Roller	Angle	72	2.02/1.6	.600 Hyd Roller
2118SR	225 Maxx SBC Assy Solid Roller	Angle	72	2.02/1.6	.700 Solid Roller
2118SRT	225 Maxx SBC Assy Solid Roller Ti Retainers	Angle	72	2.02/1.6	.700 Solid Roller Ti Retainers
2120	225 Maxx SBC Assy	Angle	64	2.08/1.6	.575 Hyd Flat Tappet
2120HR	225 Maxx SBC Assy Hyd Roller	Angle	64	2.08/1.6	.600 Hyd Roller
2120SR	225 Maxx SBC Assy Solid Roller	Angle	64	2.08/1.6	.700 Solid Roller
2120SRT	225 Maxx SBC Assy Solid Roller Ti Retainers	Angle	64	2.08/1.6	.700 Solid Roller Ti Retainers
2122	225 Maxx SBC Assy	Angle	72	2.08/1.6	.575 Hyd Flat Tappet
2122HR	225 Maxx SBC Assy Hyd Roller	Angle	72	2.08/1.6	.600 Hyd Roller
2122SR	225 Maxx SBC Assy Solid Roller	Angle	72	2.08/1.6	.700 Solid Roller
2122 SRT	225 Maxx SBC Assy Solid Roller Ti Retainers	Angle	72	2.08/1.6	.700 Solid Roller Ti Retainers

Combustion Chamber ……64-72cc
Weight …………………………55.00 lbs.
Intake Runner ……………. 225cc
Exhaust Runner …………..72cc
Intake Valve Size …………2.02”-2.08″
Exhaust Valve Size …….. 1.60””
Spring Pressure

Hydraulic Flat Tappet .575 max lift
Closed ………………….. 115 lbs. @ 1.800”
Open ……………………. 310 lbs. @ 1.225”

Hydraulic Roller .600 max lift

Closed …………………… 145 lbs. @ 1.800”
Open …………………….. 325 lbs. @ 1.200”

Solid Roller .700 max lift

Closed …………………… 230 lbs. @ 1.900”
Open …………………….. 600 lbs. @ 1.200”

******* other options available******
Valve Guide ……………Manganese Bronze
Valve Seal Material … Viton
Retainer Material ……Steel
Valve Job ……………… 5-angle
Head Bolts……………. ARP 134-3601
Valve Spacing ………. OEM
Valve Seats ……………Hardened Steel
Intake Gasket ………. Fel-Pro 1207
Exhaust Gasket ……. Fel-Pro 1406
Head Gasket ……….. Fel-Pro 1004 or 1094
Spark Plug …………. .750” Reach Gasket Seat
Torque specs …….. 80 Ft lbs. 3 increments using 30wt oil

Flow Data @ 28″ water
lift	100	200	300	400	500	600	700
Int	76	147	210	253	274	287	293
Ext	54	111	155	179	193	199	201

MAXX 225 SBC (Sold in Pairs)

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MAXX 225 SBC
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