1KD Performance Exhaust Valve Set

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If the head is coming off a serious build, these go back in instead of tired factory valves. Construction One-piece forged 21-4N stainless steel valve bodies (non-magnetic) Stellite welded valve faces for extreme temperature durability Fully nitride hardened bodies Induction hardened 4Cr9Si2 friction-welded stem tips Fully machined heads with swirl-polished underside radii to the valve face for better flow and chamber swirl 30° back-cut up to the valve face Fitment Toyota 1KD-FTV 3.0L - Hilux N70, Prado 120/150, HiAce, Fortuner Building the whole head? Pair with the 1KD Performance Intake Valve Set, Upgraded Valve Springs and Valve Stem Seals. Shipping & Payment Free Express Shipping Australia-Wide Buy Now, Pay Later: Afterpay, Humm, Klarna & Zip Frequently Asked Questions Q: Do these need machining to fit? A: They fit the 1KD head, but any valve job should include a proper seat cut and clearance check by your head machinist. Q: When are performance valves worth it? A: Any time the head is off a tuned engine that sees sustained high EGTs. The Stellite face and nitride hardening exist for exactly that duty cycle. ✓ Added to cart! document.addEventListener('DOMContentLoaded', function() { const notification = document.getElementById('cart-notification'); const notificationText = document.getElementById('cart-notification-text'); function showNotification(msg) { notificationText.innerHTML = msg; notification.style.display = 'block'; notification.style.animation = 'slideIn 0.3s ease'; setTimeout(() => { notification.style.animation = 'slideOut 0.3s ease'; setTimeout(() => notification.style.display = 'none', 300); }, 3000); } function updateCartCount() { fetch('/cart.js').then(r => r.json()).then(cart => { const n = cart.item_count; ['.cart-count','#CartCount','[data-cart-count]','.cart-link__bubble','.cart__item-count','#cart-count','.header__cart-count','.cart-count-bubble','[data-header-cart-count]','.site-header__cart-count','#cart-icon-bubble'].forEach(sel => { document.querySelectorAll(sel).forEach(el => { el.textContent = n; el.innerText = n; el.setAttribute('data-cart-count', n); if (n > 0) { el.style.display = ''; el.classList.remove('hide','hidden'); } }); }); document.documentElement.dispatchEvent(new CustomEvent('cart:updated', { detail: { cart } })); if (window.theme && window.theme.cart && window.theme.cart.getCart) window.theme.cart.getCart(); if (typeof window.cartCount !== 'undefined') window.cartCount = n; window.dispatchEvent(new Event('cartchange')); }).catch(() => {}); } function addToCart(variantId, onSuccess, onError) { fetch('/cart/add.js', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ items: [{ id: variantId, quantity: 1 }] }) }).then(r => r.json()).then(onSuccess).catch(onError); } const mainAtc = document.getElementById('main-add-to-cart'); const mainAtcLabel = mainAtc.querySelector('span'); mainAtc.addEventListener('click', function() { if (this.classList.contains('crc-added')) return; const form = document.querySelector('form[action*="/cart/add"]'); if (!form) return; const variantId = new FormData(form).get('id'); mainAtcLabel.innerHTML = 'Adding...'; this.style.opacity = '0.6'; addToCart(variantId, () => { this.classList.add('crc-added'); mainAtcLabel.innerHTML = '\u2713 Added to Cart'; this.style.opacity = '1'; showNotification('\u2713 1KD Performance Exhaust Valve Set added to cart!'); updateCartCount(); }, () => { mainAtcLabel.innerHTML = 'Add to Cart'; this.style.opacity = '1'; }); }); const mainBuy = document.getElementById('main-checkout'); const mainBuyLabel = mainBuy.querySelector('span'); mainBuy.addEventListener('click', function() { const form = document.querySelector('form[action*="/cart/add"]'); if (!form) return; const variantId = new FormData(form).get('id'); mainBuyLabel.innerHTML = 'Processing...'; this.style.opacity = '0.6'; this.disabled = true; addToCart(variantId, () => { window.location.href = '/checkout'; }, () => { mainBuyLabel.innerHTML = 'Buy Now'; this.style.opacity = '1'; this.disabled = false; alert('Error adding to cart. Please try again.'); }); }); }); Add to CartBuy Now Valves Built for Boost, Heat and Abuse DPP performance exhaust valves for the 1KD-FTV. 21-4N stainless, Stellite faces, nitride hardened. Free express shipping Australia-wide. Disclaimer: Common Rail Cowboys is not affiliated with Toyota Motor Corporation. Engine components require professional machining and assembly. Show more