Engine

700 products

$808.99

Features & Benefits:- * Bore = 3.875″ * Stroke = 4.000″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter p...

Sold Out

FEULING

$776.99

Features & Benefits:- * Feuling Evo Race Series Lifters are machined from a steel body and are designed with precision tolerances and a slower bleed down rate increasing valve-train stability ...

AVV

$772.99

Features & Benefits * Works well with cams up to .615″ lift * High Performance conical single wire spring * Kit Includes: Springs, Top Collars, Keepers, Bottom Collare/Seals Suggested Additio...

KB PISTONS

$661.99

Features & Benefits:- * Bore = 3.437″ * Stroke = 3.969″ * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter ...

ZIPPER

$629.99

Features & Benefits:- * Extra Wide Power Band for engines with High Flow Heads. * Lobe center spread from 548 to develop a different power curve. * Ideal Compression Ratio; 11.5:1 * High lift ...

ZIPPER

$629.99

This is a great choice if you want more power from your 135ci Screamin’ Eagle Stage 4 kit or 135ci crate engine! Features & Benefits:- * Extra Wide Power Band for engines with High Flow Heads....

ZIPPER

$629.99

Features & Benefits:- * Extra Wide Power Band for engines with High Flow Heads. * Lobe center spread from 548 to develop a different power curve. * Ideal Compression Ratio; 12.0:1 * High lift ...

AVV

$479.99

Note: Maximum Recommended Lift = .650″ * Steel Double Spring Kit * Ultra pure chrome silicon+Nickle spring wire * Extra processing for fatigue resistance * 1.375″ for better clearance inside rocke...

FEULING

$452.99

Features & Benefits:- * 0.165″ Wall thickness, * One piece (non-adjustable) * Eliminates pushrod flex * Reduces valve-train harmonics and allows increased valve lift * Fixed Length 4130 Chro...

$402.99

Features & Benefits:- * Direct Standard size replacment for OEM Plastic Breather gear. * Better dimensional stability than plastic gears, especially at high temperatures. * High Evacuation. * ...

Sold Out

AVV

$417.99

Note: Maximum Recommended Lift = .530″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

AVV

$417.99

Note: Maximum Recommended Lift = .470″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

AVV

$417.99

Note: Maximum Recommended Lift = .590″ * High Performance Spring Kit * Silicon & Vanadium alloy spring wire * Increased travel before coil bind * Complete Kit includes: springs, retainers, kee...

Sold Out

$361.99

Features & Benefits:- * Sold Each. * Replaces OEM # 17920-53A Proudly Made in the USA by S&S Cycle !

AVV

$381.99

Note: Maximum Recommended Lift = .650″ * Beehive steel valve spring kit * Ultra pure chrome silicon+Nickle spring wire * Extra processing for fatigue resistance * Resist pressure loss & fatigu...