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 an 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 with these cnc ported heads!
Bare head set $3900 cnc ported seats and guides installed and valve job.
Assembled CNC ported Cylinder heads $5195 pair for flat tappet up to .600 lift
Assembled CNC ported heads $5649 pair for solid roller camshaft up to .700 lift
T&D Rocker Arms are commonly used. We no longer sell them.
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
(note these gaskets are for standard block not o-ringed)
Z-bar solid roller lifters $640 set
Custom Pushrods $195 set
Custom speced solid flat tappet start at $225 or solid rollers $450