CP Wire Lock 21mm Wrist Pin CP Pistons CPP827X063SWL
Click to zoom in

CP Wire Lock 21mm Wrist Pin

CP Pistons
CPP827X063SWL
Piston Pin Locks
7 Units In Stock - Ships Next Business Day
$ 2.25
$ 2.25

SKU: 827X063SWL

CP Wire Lock 21mm Wrist Pin for Honda S2000 Subaru WRX Nissan SR20DET 2000-2009

CP Wire Locks secure 21mm wrist pins in performance pistons for Honda S2000 Subaru Impreza WRX STI Nissan 240SX SR20DET Acura Integra Type R and Mitsubishi Eclipse GSX engines. These locks provide firm pin retention during high-rpm boosted operation with zero axial play for reliable power. Built from durable spring steel they handle drag racing and endurance demands.

Key Features

  • 21mm Diameter Precision: Exact fit for CP pistons eliminates slop and supports revs over 9000 rpm
  • High-Strength Wire Construction: Spring steel material resists fatigue in boosted and naturally aspirated builds
  • Pack of 8 Locks: Enough for one 4-cylinder engine with two locks per piston
  • Easy Installation: Snap into piston grooves using standard circlip pliers for quick assembly
  • Racing Proven Design: Used in drag NHRA and endurance racing for dependable pin retention

Product Notes

  • Inspect pistons for matching 21mm grooves before install
  • Store in dry area to maintain spring tension
  • Small lightweight package ships via USPS First Class or UPS Ground

Installation Notes

  • Professional installation recommended.
  • Use quality circlip pliers to avoid bending wire locks
  • Compatible with CP forged pistons verify groove depth matches 0.827 inch pins

This Part Fits

Year Make Model Submodel
2000-2009 Honda S2000 Base AP1 AP2 F20C F22C
2002-2007 Subaru Impreza WRX STI EJ205 EJ257
1989-1998 Nissan 240SX Silvia SR20DET S13 S14
1990-1999 Mitsubishi Eclipse Galant GSX 4G63T DOHC
1994-2002 Acura Integra Type R B18C

Why Choose CP Pistons?

  • Decades of experience supplying Pro Stock and Top Fuel teams
  • Forged 2618 alloy pistons paired with matching components
  • CNC-machined tolerances hold up under 50 psi boost

Frequently Asked Questions

  • Q: Will these fit non-CP pistons with 21mm wrist pins?
    A: Yes they work with any piston groove spec'd for 21mm diameter pins as long as groove width matches standard wire lock profile
  • Q: What material are the wire locks made from?
    A: Hardened spring steel for maximum retention strength and reuse in multiple rebuilds
  • Q: Do they come with warranty?
    A: Covered under CP Pistons limited lifetime warranty against manufacturing defects when used in approved applications

Shipping & Handling

  • Method: UPS Ground or USPS Priority
  • Availability: In stock - ships same or next business day
  • Packaging: Compact poly bag in 4x3x1 inch box
  • Weight: 0.1 lbs

Request For Information

Have questions about CP Wire Lock 21mm Wrist Pin? Fill out the form below and we'll get back to you by the next business day.
CP Pistons

CP Pistons

Cp pistons forged piston kits for high-output imports, sport compacts and domestic engine builds are stocked at Black Ops Auto Works. Shop forged pistons, piston rings, wrist pins and matched piston-and-ring sets for Honda K-series and B-series, Toyota 2JZ, BMW B58, Nissan RB and many more platforms. Every product should be matched to bore size, compression ratio, pin diameter, ring package and engine application before machine work begins. Black Ops Auto Works carries 101 CP Pistons SKUs for naturally aspirated, boosted and competition engine combinations. What This Collection Covers CP Pistons forged components are designed for engine builds that need carefully matched piston specifications and ring sealing. The selection covers piston kits, replacement ring sets and wrist pins for popular four-cylinder, six-cylinder and V8 combinations. Built for verified applications Use the fitment details and product specifications on each listing to confirm the correct application before ...

View CP Pistons Products
Engine

Engine

Engine parts and engine bay upgrades for Dodge, Jeep, RAM, Chrysler, Chevrolet, Ford, Toyota, Nissan, Subaru, and Honda vehicles are stocked at Black Ops Auto Works. Shop oil catch cans, supercharger pulleys, thermostats, radiators, cooling parts, throttle bodies, intake manifolds, headers, ignition coils, spark plugs, sensors, gaskets, fuel pumps, valve covers, engine covers, billet cap covers, and full engine bay dress-up parts for HEMI, Hellcat, Trackhawk, Redeye, Demon, Scat Pack, RAM TRX, LS, LT, Coyote, EcoBoost, K-Series, and 2JZ builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 14,298 engine SKUs across performance, cooling, oil control, ignition, and appearance categories. What This Category Covers The Engine collection combines OEM-replacement engine service parts with performance aftermarket upgrades for supercharged, turbocharged, and naturally aspirated builds...

View Engine Products
Piston Pin Locks

Piston Pin Locks

Welcome to our Piston Pin Locks collection! Here, you will find an array of premium piston pin locks that are essential for ensuring the optimal performance of your engine components. Why Choose Our Piston Pin Locks? Durability: Crafted from high-grade materials for exceptional strength and longevity of your engine. Precision Fit: Engineered to provide a perfect fit, ensuring reliability and safety for all your engines pistons. Enhanced Performance: Designed to improve the overall efficiency of your engine. Wide Range: Available in various sizes and specifications to meet your engines specific needs.   Shop with Confidence When you choose our Piston Pin Locks, you can rest assured that you are getting products that meet the highest standards of quality and performance. Shop now and ensure the longevity and efficiency of your engines performance today only at Black Ops Auto Works!

View Piston Pin Locks Products
Pistons

Pistons

Pistons and piston components for engine builds and rebuilds are stocked at Black Ops Auto Works. Shop forged and cast piston sets, piston rings, piston pins, and pin locks for 4, 5, 6, and 8-cylinder gas engines and diesel applications, including Cummins 5.9L 12-valve, Toyota 2JZGTE, Honda K20, BMW and Toyota B58, GM 6.2L LT1 and L86, Chrysler Gen3 Hemi 6.2L Hellcat and 6.4L Apache, and Nissan VQ35DE builds. Every product is filterable by bore size, engine platform, compression ratio, and application so the correct piston set ships the first time. Black Ops Auto Works carries 997 piston and piston component SKUs across forged, cast, and diesel-specific categories. What This Category Covers Pistons are the core moving component of any engine build, transferring combustion force into rotational power through the connecting rod and crankshaft. This category covers complete piston sets plus the individual components, rings, pins, and pin locks, needed for a full rebuild or performa...

View Pistons Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×