1001400 RaceTec Forged Flat Top Piston Set for Small Block Ford 302 20-Degree Engines [4.040 in. Bore]

Name: 1001400 RaceTec Forged Flat Top Piston Set for Small Block Ford 302 20-Degree Engines [4.040 in. Bore]
Brand: RACETEC PISTONS
SKU: 613-1001400
Price: 987.30 USD
Availability: InStock

^$987³⁰$1097.00You Save$109.70

Ships on 10/12/2026

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RaceTec Forged Piston Set

SB Ford 302 20-Degree

4.040 in. Bore

Forged 2618 Aluminum

3.400 in. Stroke

5.400 in. Rod Length

1.100 in. Compression Height

-5.2 cc Crown Volume

1.5 x 1.5 x 3.0 mm Ring Grooves

Set of 8

Racetec 1001400 RaceTec Flat Top Piston Set Features:

Manufactured from low-expansion, high-silicon, 4032 material with side reliefs that's excellent for street or strip applications
CNC Precision machined ring grooves for 1.5mm, 1.5mm, 3.0mm Rings
Top ring land gas distribution groove to enhance performance and improve ring seal
912-2700-51-15C or 927-2700-51-15C wrist pins, pin fit, wire locks, broached pin oilers and accumulator grooves are included at no extra charge
Diamond turned skirts

RaceTec 1001400 Racetec Flat Top Piston Set Specs:

Engine Family: 20-Degree Small Block Ford 302
Displacement reference: 348 cu. in. (5.7L)
Bore: 4.040 in.
Stroke: 3.400 in.
Rod Length: 5.400 in.
Compression Height: 1.100 in.
Crown Volume: -5.2 cc
Piston Style: Flat Top w/2 Valve Reliefs
Alloy: 2618
Wrist Pin Diameter: 0.927 in.
Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

RaceTec 1001400 RaceTec Flat Top Piston Set Notes:

Requires RaceTec AT 4040 Ring Set or Equivalent (Sold Separately)
Compression Ratios:
- 11.2 @ w/56 cc Heads
- 10.6 @ w/60 cc Heads
- 10.1 @ w/64 cc Heads
Includes oil rail supports

RaceTec Series Pistons For Ford Applications: Ultimate 2618 Alloy Strength For High-Horsepower Builds

RaceTec Series Pistons represent the highest level of precision-engineered performance, manufactured from forged or billet 2618 aluminum alloy for extreme durability and strength. Designed using advanced CAD technology and modern CNC machining, these pistons feature diamond-turned ring grooves and skirts for superior sealing, reduced friction, and consistent performance under high horsepower demands. The RaceTec Series provides proven reliability for everything from shelf applications with mild nitrous or boost to fully custom Top Fuel, vintage racing, and extreme power builds.

Part TypePiston

Product LineRaceTec Series Pistons for Ford

BrandRACETEC PISTONS

Package Height6.0

Package Width12.0

Package Length12.0

Weight12.0 PG

Part CategoryPerformance Parts

Pin Lock Rings IncludedYes

Compression Height (In)1.1

Bore (In)4.04

Wrist Pin StylePress or Full Floating