Welcome to Speed And Science Online Store
North America’s Harley Performance Parts – Heads, Cylinders and more.
Showing 1–30 of 53 results
-
TWIN CAM HEADS “FEROCITY 2.0”
US$1,780 -
TWINCAM HEADS, “MIT” CNC PORTED
US$1,890 -
TWIN CAM HEADS “FEROCITY 2.0”, BLACK COATED
US$1,880 -
TWIN CAM HEADS “MIT” CNC PORTED, BLACK COATED
US$1,990 -
NEW!!! EVOLUTION Performance Heads, OEM Bore
US$1,780 -
SHOVELHEAD HEADS, OEM BORE, SUPER E Intake, BLACK COATED
US$2,150 -
SHOVELHEAD HEADS, OEM BORE, DUAL INDEPENDENT Intake
US$2,030 -
SHOVELHEAD HEADS, OEM BORE, KEIHIN CV Single Intake
US$2,030 -
SHOVELHEAD HEADS, OEM BORE, SUPER E Intake
US$2,030 -
SHOVELHEAD HEADS BIG BORE, Dual Independent Intake
US$2,060 -
PANSHOVEL HEADS, CNC PORTED “MIT”, DUAL Independent Intake
US$2,330 -
PANSHOVEL HEADS, OEM BORE, DUAL Independent Intake
US$2,250 -
PANSHOVEL HEADS, OEM BORE, KEIHIN CV Single Intake
US$2,230 -
PANSHOVEL HEADS, OEM BORE, SUPER E Single Intake
US$2,230 -
SHOVELHEAD HEADS, “MIT” PORTED, SUPER E Intake, BLACK COATED
US$2,200 -
SHOVELHEAD PORTED HEADS “MIT”, DUAL Independent Intake
US$2,170 -
SHOVELHEAD HEADS BIG BORE, SUPER E Intake
US$2,040 -
PANSHOVEL HEADS, CNC PORTED “MIT”, SUPER E Intake
US$2,310 -
SHOVELHEAD PORTED HEADS “MIT”, SUPER E Intake
US$2,150 -
SHOVELHEAD HEADS BIG BORE, SUPER G Intake
US$2,040 -
PANSHOVEL HEADS, CNC PORTED “MIT”, SUPER G Intake
US$2,310 -
SHOVELHEAD PORTED HEADS “MIT”, SUPER G Intake
US$2,150 -
SHOVELHEAD CYLINDERS, 3-1/2″ BORE
US$1,050 -
SHOVELHEAD CYLINDERS 3-1/2″ BORE, BLACK COATED
US$1,230 -
SHOVELHEAD CYLINDERS BIG BORE 3-5/8″
US$1,050 -
SHOVELHEAD CYLINDERS BIG BORE 3-5/8″, BLACK COATED
US$1,230 -
SHOVELHEAD ROCKER BOXES
US$995 -
TWIN CAM VALVETRAIN KIT, (OEM SIZE VALVES)
US$305 -
TWINCAM VALVETRAIN KIT, MIT (OVERSIZED)
US$325 -
3 BOLT EXHAUST FLANGE (Set of 2), SHOVELHEAD
US$40