![K2-6025-4100 FX-Series Flat Top Piston Set for 1968-1981 Small Block Oldsmobile, 4.100 in. Bore, -5cc Volume [OEM Stroke]](https://www.jegs.com/images/mini_750/900/915/915-k2-6025-4100.jpg)
DSS RACINGPART NUMBER: 915-K2-6025-4100
K2-6025-4100 FX-Series Flat Top Piston Set for 1968-1981 Small Block Oldsmobile, 4.100 in. Bore, -5cc Volume [OEM Stroke]
$99895
Oldsmobile
FX-Series Flat Top Piston Set1968-1981 Small Block Olds Bore: 4.100 in. Head Volume: -5cc Material: Forged 2618 Pin Diameter: .980 in. Pin Style: Press or Full Float Ring Thickness: 1/16-1/16-3/16 in. OEM Stroke Set of 8
DSS Racing K2-6025-4100 Features:
- Strong, Heat Resistant 2618 Alloy
- Proprietary "DMAX" Multi Stage Forging Process, Produces' a Superior Forging
- Patented "X Groove" Skirt for Superior Cylinder & Ring Performance & Durability
- Advanced Ring Lands Featuring a Combination of Accumulators and Drilling Ops.
- 6 additional areas of CNC milling for weight reduction in non critical areas.
- Thinner Ring Grooves Maximize Critical Ring Land Strength
- Larger CNC Machined Valve Reliefs for More Aggressive Head & Cam Combinations
- Heavy-Duty Piston Pins
- Double True Arc Pin Locks, Provide Redundancy
- Precision CNC Finished Pin Bores
- Drilled Forced Wrist Pin Oiling
- Drilled Bottom Ring Land Intersecting Oil Drain Backs
- Advanced Profile Precision Diamond-Turned Skirts
- Ring Set Required: RS-DM400-4100
- Ring Series: DM400
- Fits Base Engine: 350
- Compression Ratio: 64cc-10.44, 68cc-9.98, 70cc-9.77
- Calculated Zero Deck: 9.3175
- Compression Height: 1.625 in.
- Rod Length: 6 in.
- Stroke: 3.385 in. (OEM Stroke)
- Pin Locking Rings Included: Yes
- Wrist Pin Included: Yes
- Oil Rail Support Ring Included: N/A
- With Rings Without Rings: With Rings
- Total Valve Reliefs: 2
Part TypePiston
BrandDSS RACING
Package Height10.0
Package Width10.0
Package Length10.0
Weight17.0 PG
Part CategoryPerformance Parts
Pin Lock Rings IncludedYes
Compression Height (In)1.625
Bore (In)4.1
Wrist Pin StylePress or Full Floating
QuantitySet of 8
Piston Head Volume-5cc
Piston StyleFlat Top
Compression Ratio64cc-10.44, 68cc-9.98, 70cc-9.77
Ring Thickness1/16-1/16-3/16"
Piston MaterialForged 2618
Pin Diameter (In)0.98
Part FitmentSemi Universal
Wrist Pin IncludedYes
Snap Rings IncludedYes
Vendor Part NumberK2-6025-4100
Package Qty1
Package TypeEA
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