RCV Ultimate 30-Spline Front CV Axle Set | 4WD Solid Axle (1984-95 4Runner / 1979-95 Pickup)

RCV Ultimate 30-Spline Front CV Axle Set

For 1984–1995 Toyota 4Runner and 1979–1995 Toyota Pickup 4WD with a factory Toyota solid front axle or Toyota-style solid axle conversion.

Overview

The RCV Ultimate 30-Spline Front CV Axle Set is a heavy-duty front axle upgrade for Toyota 4WD solid-axle applications, including factory solid-front-axle trucks and later 4Runners and Pickups converted to a compatible Toyota-style solid front axle. The factory Toyota design uses 30 splines at the differential but reduces to 27 splines at the CV joint. RCV replaces that reduced section with a 30-spline CV interface and 300M CV race, eliminating the factory-style neck-down at a common high-load area.

Choose the Standard configuration for a stock-width Toyota housing, the +3" Aftermarket Housing configuration for housings that extend the short-side axle by 3 inches, or 300M Inner Shafts for stock-width fitment with upgraded 300M inner shafts.

Key Features

• 30-spline interface at the differential and through the CV joint
• 300M 30-spline CV race replaces the factory 27-spline CV neck-down
• Pre-greased RCV CV joints with RCV bootless technology
• Matched left- and right-side inner axle shafts
• High-strength chromoly inner shafts on Standard and +3 configurations
• 300M inner axle shafts on the 300M configuration
• Black oxide finish
• Manufactured in the USA
• Limited lifetime warranty, subject to RCV warranty terms

Vehicle Fitment

Toyota 4Runner

• 1984–1985 Toyota 4Runner – 1st Gen – 4WD – Factory Solid Front Axle
• 1986–1989 Toyota 4Runner – 1st Gen – 4WD – Toyota-Style Solid Axle Conversion
• 1990–1995 Toyota 4Runner – 2nd Gen – 4WD – Toyota-Style Solid Axle Conversion

Toyota Pickup

• 1979–1983 Toyota Pickup – 1st Gen – 4WD – Factory Solid Front Axle
• 1984–1985 Toyota Pickup – 2nd Gen – 4WD – Factory Solid Front Axle
• 1986–1988 Toyota Pickup – 2nd Gen – 4WD – Toyota-Style Solid Axle Conversion
• 1989–1995 Toyota Pickup – 3rd Gen – 4WD – Toyota-Style Solid Axle Conversion

Fitment Notes

• 4WD solid-front-axle applications only. 1986–1995 vehicles require a compatible Toyota-style solid axle conversion; this kit does not fit the factory IFS front suspension.
• Standard: stock-width factory Toyota solid front axle housing.
• +3" Aftermarket Housing: only for housings that extend the short-side axle by 3 inches, including properly configured Diamond and Trail-Gear Rock Assault housings.
• 300M Inner Shafts: stock-width fitment with upgraded 300M inner axle shafts.
• Later solid-axle-converted vehicles must use a Toyota-style solid front axle housing and axle dimensions compatible with the selected RCV configuration.
• Verify front axle housing dimensions before ordering if the vehicle has an axle swap, custom housing, or other axle modifications.
• If converting from locking hubs to drive flanges, use a drive-flange setup matched to the RCV axle system.

Product Specifications

Brand: RCV Performance Products
Product Type: Drivetrain
Component Type: Birfield & Axle Kit
Position: Front
Drivetrain: 4WD
Axle Type: Toyota Solid Front Axle
Differential Spline Count: 30 Spline
RCV CV Inner Spline Count: 30 Spline
Factory CV Inner Spline Count: 27 Spline
CV Race Material: 300M Alloy Steel
Standard / +3 Inner Shaft Material: High-Strength Chromoly
300M Configuration Inner Shaft Material: 300M Alloy Steel
Right Inner Axle Length: 15.13 in. Standard / 300M; 18.13 in. +3
Left Inner Axle Length: 31.31 in.
CV Joint Preparation: Pre-Greased
Standard Finish: Black Oxide
Manufacturing: USA
Warranty: RCV Limited Lifetime Warranty, subject to manufacturer terms

Available Configurations

Standard

• Stock-width Toyota solid front axle configuration
• (1) Left high-strength chromoly inner axle shaft
• (1) Right high-strength chromoly inner axle shaft
• (2) Pre-greased 30-spline RCV CV joints

+3" Aftermarket Housing

• For aftermarket housings that extend the short-side axle by 3 inches
• (1) Left high-strength chromoly inner axle shaft
• (1) +3-inch short-side high-strength chromoly inner axle shaft
• (2) Pre-greased 30-spline RCV CV joints

300M Inner Shafts

• Stock-width configuration with upgraded 300M inner axle shafts
• (1) Left 300M inner axle shaft
• (1) Right 300M inner axle shaft
• (2) Pre-greased 30-spline RCV CV joints