Engine Upgrade Package
With over 15 years of high performance engine building and machining, Modern Performance Inc. has now developed a total engine upgrading kit for the Dodge Viper and Viper GTS. The package has produced over 500 horsepower with over 528 foot pounds of torque @ the rear wheels using 94 octane pump gas*.
The engine package includes the following:
Custom ground hydraulic roller camshaft
1.7 ratio roller rockers
High strength chromoly rocker studs
Custom made, one piece hardened push rods
Vasco Jet valve springs
Custom made, chromoly valve spring retainers and valve keepers
Custom made, one piece, forged, stainless steel valves
Edlebrock aluminized headers, match ported to cylinder heads
Borla 3'' exhaust system
Modern Performance intermediate exhaust (converter modifications)
Polished oversized throttle bodies
Ported and polished intake manifold, cut and re-welded for high flow
K&N Air filter and high flow inlet tubes
Custom prepared cylinder heads, porting & polishing, multi-angle valve seat machining, resurfacing (on customer supplied heads)
Heat shields & heat blanket
Champion HOT spark plugs, reworked PCM fuel and spark curve
Total package price, including all parts and installation, is a meer $20,800**.