This is HPI's Nitro Star K4.6 .28 size Engine !!
This only comes as a pull-start, but it can be converted to a drill-start or bump-start with parts from our store, listed below!!
This is the stock engine for the Savage K4.6 & SS .28 monster truck !! .. This is a great engine for monster trucks of ALL BRANDS of vehicles and makes a great Maximum size, LEGAL Truggy engine for sanctioned racing!!
To convert to a Roto-Start or Tiger Drive find the following items in my eBay Store: HopMeUp!!
Roto Start backplate only ... HPI 87127
Complete Roto-Start kit ... HPI 87126
Tiger Drive horizontal backplate ... S704
Tiger Drive vertical backplate ... S689 & requires two shims from Tiger Drive S698 Shim Kit.
To convert to a Bump-Start for a Starter Box find the following in my eBay Store: HopMeUp!!
Axial AX0091
DESCRIPTION:
HPI's Nitro Star K4.6 engine packs a serious punch. The .28 big block engine features a machined billet aluminum heat sink, aluminum connecting rod, true ABC chrome sleeve construction, and a three-needle slide carb with a composite body. All of this adds up to 2.9 horsepower and speeds in excess of 44 mph in the Savage monster truck!!!
Composite construction slide valve, 3 needle carb with hand adjustable high speed needle (the stock carb settings are made flush for convenient 'back to factory settings')
8 port chrome plated brass sleeve
True ABC cylinder construction
Purple anodized machined aluminum heat sink head
Rear exhaust round port
Cast aluminum crankcase features heatsink fins
Machined pilot shaft crankshaft with collet preinstalled
Knife-edge billet aluminum connecting rod with dual bushings.
Dual stage air filter dramatically reduces intake restriction as it smoothes and straightens air flow
INCLUDES:
Nitro Star .28 (4.6) glow engine
Glow Plug - HPI R5 cold plug
Dual Stage Air Filter
Instructions and parts break down
SPECS:
Crankcase: 3.29" (83.5mm) (from rear of case to front without shaft)
Height: 4.40" (111mm) (from bottom of case to the top of the head)
Width: 1.81" (mount flange)
Mount Holes: 1.42" (measured from center to center width)
Mount holes: .82" (Between holes front and back)
RPM: Max 39,000 RPM
Horsepower: 2.9 @ 35,000 RPM
Crankshaft diameter: 5mm (clutch bell area)
Crankshaft diameter: 6.7mm (threaded portion)
Crankshaft screw: 3 x 12mm caphead screw
Capacity: 4.60cc (.28 ci)
Vehicle models vary! .. We DO NOT guarantee this will fit the vehicle specified in this listing!!
Verify that this item is appropriate for your vehicle. Consult your manual or vehicle manufacturer.
Verify vehicle fit-ment before purchase.
