3001-4040 355 Stroker Small Block Ford 289 - 302 FX Series -5cc Flat Top SBF 20 Degree Inline & Twisted Wedge Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.055"

Load image into Gallery viewer, 3001-4040 355 Stroker Small Block Ford 289 - 302 FX Series -5cc Flat Top SBF 20 Degree Inline & Twisted Wedge Forged Piston Set 4.040 inch bore COMP HEIGHT: 1.055"

PART #: 1-3001-4040

3001-4040 355 Stroker Small Block Ford 289 - 302 FX Series -5cc Flat Top SBF 20 Degree Inline & Twisted Wedge Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.055"

Name: 3001-4040 355 Stroker Small Block Ford 289 - 302 FX Series -5cc Flat Top SBF 20 Degree Inline & Twisted Wedge Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.055"
Brand: DSS RACING
SKU: 1-3001-4040
Price: 719.95 USD
Availability: InStock

$719.95

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356 Small Block Ford 289 - 302, FX, Comp Height: 1.055, -5cc Flat Top , PIN: .927", Full-Floating or Press Fit, Ring Groove: 1.2/1.2/3MM, Stroke: 3.470", ROD: 5.4, Approx Comp Ratio: 58cc-11.21, 64cc-10.43, 70cc-9.74

Piston Specs
Piston Series Comparison Chart

Piston Top Aprox. Comp. Ratio:

-5cc Flat Top SBF 20 Degree Inline & Twisted Wedge
Chamber	Comp Ratio
58	11.21 to 1
64	10.43 to 1
70	9.74 to 1

For accurate Comp Ratio info use the calculator below.

Engine Brand: Ford

Engine Family: Small Block Ford 289 - 302

Engine Size: 355 Stroker

Cylinder Bore Size: 4.040 in , 102.535 mm

Ring Groove Width: 1.2/1.2/3MM

Compression Height: 1.055"

Pin Diameter: 0.927"

Connecting Rod Length: 5.400"

Crankshaft Stroke: 3.470"

Cylinder Head: SBF 20 Degree Inline & Twisted Wedge

TDC Assembly Height: 8.190" ( Zero Deck Height )

Download Piston Instructions

Features:	Piston Series
Features:	Piston Series
	E series	SX series	1-FX series	2-FX series	3-FX series
Broached pin oiling slots	x	x
Drilled, forced wrist pin oiling		x	x	x	x
Forged drain-back windows	x
Drilled bottom ring land intersecting oil groove drain-backs		x	x	x	x
Slightly larger, deeper valve reliefs than OEM	x
CNC machined valve reliefs for moderate performance heads and cam combinations		x
Larger, deeper CNC valve reliefs for more aggressive cylinder head and cam combinations			x	x	x
Premium Aircraft spec. 4032 low expansion alloy	x	x	x
Premium Aircraft spec. 2618 alloy				x	x
Blower, Turbo, NOS ready		x	x	x	x
Brushed piston crown			x	x	x
Turned dishs	x	x
Max Quench milled dishs			x	x	x
Additional CNC milling for weight reduction in non-critical areas			x	x	x
Patented “X Groove” skirt for superior cylinder and ring life			x	x	x
Thinner/shallower Ring grooves for maximum ring seal and land strength			x	x	x
Low volume contact reduction grooves			x	x	x
2nd ring land accumulator groove prevents ring flutter			x	x	x
3rd ring land scraper relief			x	x	x
Oil ring groove relief reservoir			x	x	x
Inner and outer pin boss weight reduction radiusing			x	x	x
Tighter control of crown thickness yields consistently lighter parts			x	x	x
Dynamic skirt milling controls skirt thickness for consistently lighter parts			x	x	x
Diamond-turned high strength skirts	x	x	x	x	x
High-strength piston pins	x	x	x	x	x
Extreme Duty XR wrist pins					x
Horizontal Gas Ports enhance ring seal					x
Forged and machined in the USA	x	x	x	x	x

Piston Specs