Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededSRPPART NUMBER: 867-139477
Forged Flat Top Piston Big Block Chevy 460ci with 4.280" Bore
$73499
Ships on Nov 02, 2026
Lowest Price GuaranteeBig Block Chevy460ci
- Forged Flat Top Piston
- Big Block Chevy 460ci
- Bore: 4.280"
- Stroke: 4.000"
- Weight: 594 Grams
- Rod Length: 6.185"
- Head Volume: -3.0cc
- Compression Height: 1.645"
- 8/pkg
Compression Ratio: - 106cc - 8.9:1
- 112cc - 8.5:1
- 118cc - 8.2:1
- 124cc - 7.9:1
- Ideal for street/strip and marine applications. Symmetrical valve reliefs for universal installation. High silicon alloy for tighter piston to wall clearance. Lower ring lands and thicker crown for increased durability. Great for light duty nitrous or forced induction. .990'' x 2.930'' x .150'' straight wall carbon steel wristpin (150g) included. 1/16'' x 1/16'' x 3/16'' ring grooves.
Part TypePiston
Product LineSRP Big Block Chevy Flat Top Forged Pistons
BrandSRP
Package Height6.5
Package Width11.3
Package Length25.1
Weight16.76 PG
Part CategoryPerformance Parts
Piston Head Volume (Cc)3
Compression Distance1.645 in (41.783 mm)
Piston Ring Thickness (In.)1/16 x 1/16 x 3/16
Wrist Pin StylePress-fit or floating
QuantitySold as a set of 8
Piston MaterialForged aluminum
Pin Diameter0.99 in (25.1 mm)
Part FitmentSemi Universal
Bore (Mm)108.712
Piston StyleFlat top, with single valve relief
Bore4.28 in (108.712 mm)
Vendor Part Number139477
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
