Engine Components

The Speedmaster PCE261.1033.02 roller rocker arms and shafts are engineered for Mopar Chrysler big-block 383 and 440 engines. These aluminum rocker arms feature a 1.5 ratio and .650 offset design,...

The Speedmaster PCE261.1033.01 is a set of aluminum roller rocker arms and shafts engineered for Mopar Chrysler big-block 383 and 440 engines with a 1.5 ratio. These roller rocker arms deliver...

The Speedmaster Mopar Chrysler BB 383 440 Shaft 1.5 Ratio DNA Aluminum Roller Rocker Arms Set (1-261-026) is a complete rocker arm assembly designed for big-block Mopar engine builds. This set...

The Speedmaster PCE261.1087 is a complete roller rocker arm set engineered for Mopar Chrysler big-block 383 and 440 engines. This stainless steel roller rocker arm assembly delivers precision valve...

The Speedmaster PCE261.1034.01 is a complete aluminum roller rocker arms and shafts assembly designed for big-block Mopar engines, specifically the Chrysler BB 383 and 440 series. This 1.6 ratio...

The Speedmaster PCE261.1088.03 is a roller rocker arm set designed for Mopar Chrysler big-block 383 and 440 engines, featuring a 1.6 ratio and stainless steel construction. This roller rocker arm set...

The Speedmaster PCE291.1067 is a precision-engineered internal fluid damper harmonic balancer designed specifically for Mopar Chrysler big-block engines, including 383 and 440 cubic-inch models. This...

The Speedmaster Mopar Chrysler BB 383 440 Center Sump Oil Pan (PCE300.1054.01) is a replacement oil pan engineered for Mopar big-block V8 engines, specifically the 383 and 440 cubic-inch variants...

These Speedmaster chrome steel valve covers are engineered for Mopar Chrysler big-block engines, specifically the 383 and 440 models. Standing 3 3/4" tall with a baffled hole design, they deliver...

The Speedmaster PCE281.2153 cylinder heads are precision-engineered, fully assembled hydraulic roller cylinder heads designed for Mopar Chrysler big-block engines, specifically the 383 and 440 cubic...

These Speedmaster polished fabricated valve covers are engineered for Mopar Chrysler big-block 383 and 440 engines. The tall design with hole provides excellent fitment and clearance while delivering...

The Speedmaster Mopar Chrysler BB 383 440 satin fabricated valve covers are precision-engineered replacements designed specifically for big-block Mopar engines. These tall-profile valve covers...

The Speedmaster PCE265.1007 is a steel plated timing chain cover finished in chrome, engineered for Mopar Chrysler big-block 383 and 440 engines. This replacement cover secures the timing chain and...

The Speedmaster Mopar Chrysler BB 440 electric water pump and housing kit (model PCE194.1031) is a purpose-built cooling system component designed for big-block Mopar engines. This complete pump and...

The Speedmaster Mopar Chrysler SB 318 340 360 Roller Rocker Arm Set is a premium stainless steel roller rocker arm assembly engineered for small-block Mopar engines. This 1.5 ratio set is designed to...