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                                          TM Boss Heads

These are the same heads that the very noted Shotgun Hemi used on his awesome engines! Based off winning design used in 2009-2012 Engine Masters Competition. Winner of Torque Monster Award!


The features of the all new 3rd generation TM Boss heads!

The only 100% American made replica head available
Retains factory rocker oiling and heads accept all stock rockers or T&D rockers
Uses stock 429-460 block or aftermarket Eliminator Products or SVO block
(with required external oil drain back)

Can be used on original Boss 429 block
(please specify if using a original block, oil drain backs are in a different location)

Uses all original Exhaust and Intake manifolds for Boss 429
Revised and cnc ported Intake and Exhaust ports for more power period
Uses stock Boss 429 valve covers
All factory valve angles using 11/32 valve stems

Cylinder heads are stock appearing from the outside
Modern hi-swirl, Semi-Hemi 86cc combustion chambers fully cnced
Modern 356 T-6 heat treated virgin aluminum that are far stronger then old heads
A-441 port and dual spark plugs heads available
Reinforced head bolt columns and rocker mounting pads with thicker decks
Uses modern head gaskets instead of old O ring style

 

Make more power then any others with the new cnc ported heads!

Assembled CNC ported Cylinder heads $4895 pair for flat tappet up to .600 lift

Assembled CNC ported heads $5349 pair for solid roller camshaft up to .700 lift

T&D Rocker Arms $2395 set

TM Boss Valve Covers $595 set

Intake Manifolds starting at $700 each

Intake Gaskets $40 set

Valve Cover Gaskets $42 set

Head bolt kit $115

ARP head stud kit with 12 point nuts $265 set

Head Gaskets $45 each small bore $55 each big bore over 4.500

Z-bar solid roller lifters $640 set

Custom Pushrods $195 set

Custom speced solid flat tappet start at $225 or solid rollers $450

 

                                   TM cnc ported Boss head flow 

 Intake flow    OEM stock boss    TM cnc heads    AR/E32M    TM cnc hi-port
2.400 valve
.300 lift                      274                   290                      207            233
.400 lift                      342                   364                      285            311
.500 lift                      347                   418                      345            379
.600 lift                      353                   432                      397            428
.700 lift                      354                   440                      424            456
.800 lift                      350                   437                      442            475
.900 lift                                                                           459            481

exhaust                          1.900 valve
.300 lift                     158                    195                      205            207
.400 lift                     190                    274                      274            280
.500 lift                     211                    296                      296            309
.600 lift                     226                    304                      304            325
.700 lift                     238                    312                      312            339
.800 lift                     246                    320                      322            346
.900 lift                                               323                      325            348