With our relationship with GMPP we finally received the first three LSX454 crate motors from the Performance Parts arsenal! The engines will be part of our HTR-SS454 lineup through the DeNooyer Performance Division!!
Stay Tuned for updates on our 454 LSX Pickup!!! Updates coming soon!!!
Type: ………7.4L GEN4 smallblock 
Bore x Stroke……… 4.185″ x 4.125″
Compression: …. 11.0:1
Block: …………… LSX Cast Iron (Siamese Bore)
Cylinder Heads: ……… Cast Aluminum, Rectangular Intake Port w/ 6 bolt configuration.
Valve Diameter (Intake/Exhaust)………. Titanium 2.20″/Hollow Stem 1.61″
Chamber Volume: …. 70cc
Crankshaft: ….. Forged 4340 Steel w/ Nitrite Surface, 0.125″ Radius Rod Pins.
Connecting Rods: ….. Forged 4340 Steel with Bronze Small End.
Pistons: …………… Aluminum Forged 4032 alloy with Full Floating Pins.
Camshaft: ………… Hydraulic Roller Tappet (.648/.648) (236/246)
Max Engine Speed: ………….. 6500 RPM
HTR Trucks
With our relationship with GMPP we finally received the first three LSX454 crate motors from the Performance Parts arsenal! The engines will be part of our HTR-SS454 lineup through the DeNooyer Performance Division!!
Stay Tuned for updates on our 454 LSX Pickup!!! Updates coming soon!!!
Type: ………7.4L GEN4 smallblock
Bore x Stroke……… 4.185″ x 4.125″
Compression: …. 11.0:1
Block: …………… LSX Cast Iron (Siamese Bore)
Cylinder Heads: ……… Cast Aluminum, Rectangular Intake Port w/ 6 bolt configuration.
Valve Diameter (Intake/Exhaust)………. Titanium 2.20″/Hollow Stem 1.61″
Chamber Volume: …. 70cc
Crankshaft: ….. Forged 4340 Steel w/ Nitrite Surface, 0.125″ Radius Rod Pins.
Connecting Rods: ….. Forged 4340 Steel with Bronze Small End.
Pistons: …………… Aluminum Forged 4032 alloy with Full Floating Pins.
Camshaft: ………… Hydraulic Roller Tappet (.648/.648) (236/246)
Max Engine Speed: ………….. 6500 RPM