1001300 RaceTec Forged Dome Piston Set for Big Block Chevy Engines [4.530 in. Bore]

Name: 1001300 RaceTec Forged Dome Piston Set for Big Block Chevy Engines [4.530 in. Bore]
Brand: RACETEC PISTONS
SKU: 613-1001300
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

BB Chevy

4.530 in. Bore

Forged 2618 Aluminum

4 in. Stroke

6.535 in. Rod Length

1.245 in. Compression Height

33.1 cc Crown Volume

1.5 x 1.5 x 3.0 mm Ring Grooves

Set of 8

Racetec 1001300 RaceTec Dome Piston Set Features:

Manufactured on 2618 material forgings that will accept mild nitrous applications
CNC Precision used in every manufacturing operation
Valve pockets machined for oversized valves and high lift cams
Critically machined ring grooves for 1.5mm, 1.5mm, 3.0mm rings
Top ring land gas distribution grooves to enhance performance and improve ring seal
990-2800-51-15C wrist pins, pin fit, wire locks, broached double pin oilers, and accumulator groove are included at no extra charge
Diamond tooling used throughout production including ring grooves and skirts

RaceTec 1001300 Racetec Dome Piston Set Specs:

Engine Family: Big Block Chevy
Displacement reference: 516 cu. in. (8.5L)
Bore: 4.530 in.
Stroke: 4 in.
Rod Length: 6.535 in.
Compression Height: 1.245 in.
Crown Volume: 33.1 cc
Piston Style: Dome
Alloy: 2618
Wrist Pin Diameter: 0.990 in.
Ring Grooves: 1.5 mm Top, 1.5 mm Second, 3.0 mm Oil

RaceTec 1001300 RaceTec Dome Piston Set Notes:

Requires RaceTec AT 4530 Ring Set or Equivalent (Sold Separately)
Compression Ratios:
- 13 @ w/110 cc Heads
- 12 @ w/118 cc Heads
- 11.3 @ w/124 cc Heads
Includes oil rail supports
Fits Open Chamber heads
Will not fit some Edelbrock heads

RaceTec Series Pistons For Chevy 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 Chevy

BrandRACETEC PISTONS

Package Height6.0

Package Width12.0

Package Length12.0

Weight14.0 PG

Part CategoryPerformance Parts

Pin Lock Rings IncludedYes

Compression Height (In)1.245

Bore (In)4.53

Wrist Pin StylePress or Full Floating